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53342521600 = 285228872
BaseRepresentation
bin110001101011011101…
…100100100100000000
312002200112100212021011
4301223131210210000
51333221141142400
640301043210304
73565606644454
oct615335444400
9162615325234
1053342521600
112069350aaa5
12a408376994
1350513bc564
142820618664
1515c30468ba
hexc6b764900

53342521600 has 81 divisors (see below), whose sum is σ = 132076824537. Its totient is φ = 21329617920.

The previous prime is 53342521553. The next prime is 53342521607. The reversal of 53342521600 is 612524335.

It is a happy number.

The square root of 53342521600 is 230960.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19203307776 + 34139213824 = 138576^2 + 184768^2 .

It is a super-2 number, since 2×533425216002 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53342521607) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18475357 + ... + 18478243.

Almost surely, 253342521600 is an apocalyptic number.

53342521600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53342521600 is the 230960-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53342521600

53342521600 is an abundant number, since it is smaller than the sum of its proper divisors (78734302937).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53342521600 is an frugal number, since it uses more digits than its factorization.

53342521600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

It can be divided in two parts, 533425 and 21600, that added together give a square (555025 = 7452).

The spelling of 53342521600 in words is "fifty-three billion, three hundred forty-two million, five hundred twenty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 2887 3200 5774 6400 11548 14435 23096 28870 46192 57740 72175 92384 115480 144350 184768 230960 288700 369536 461920 577400 739072 923840 1154800 1847680 2309600 3695360 4619200 8334769 9238400 16669538 18476800 33339076 41673845 66678152 83347690 133356304 166695380 208369225 266712608 333390760 416738450 533425216 666781520 833476900 1066850432 1333563040 1666953800 2133700864 2667126080 3333907600 5334252160 6667815200 10668504320 13335630400 26671260800 53342521600