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55101061 = 473833061
BaseRepresentation
bin1101001000110…
…0011010000101
310211200102110001
43102030122011
5103101213221
65245001301
71236231331
oct322143205
9124612401
1055101061
1129115274
1216553231
13b5531a2
1474647c1
154c86391
hex348c685

55101061 has 8 divisors (see below), whose sum is σ = 56438784. Its totient is φ = 53770320.

The previous prime is 55101049. The next prime is 55101071. The reversal of 55101061 is 16010155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55101061 - 27 = 55100933 is a prime.

It is a super-2 number, since 2×551010612 = 6072253846651442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55101071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16471 + ... + 19531.

It is an arithmetic number, because the mean of its divisors is an integer number (7054848).

Almost surely, 255101061 is an apocalyptic number.

It is an amenable number.

55101061 is a deficient number, since it is larger than the sum of its proper divisors (1337723).

55101061 is a wasteful number, since it uses less digits than its factorization.

55101061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 55101061 is about 7423.0088912785. The cubic root of 55101061 is about 380.5280309367.

The spelling of 55101061 in words is "fifty-five million, one hundred one thousand, sixty-one".

Divisors: 1 47 383 3061 18001 143867 1172363 55101061