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55887650650580 = 22572816231417489
BaseRepresentation
bin11001011010100010110111…
…00100000111100111010100
321022212210210110120112010112
430231101123210013213110
524311130402031304310
6314510233211542152
714525515040262530
oct1455213344074724
9238783713515115
1055887650650580
1116897901893441
12632749915a958
13252524b922798
14db2d961babc0
1566db75631705
hex32d45b9079d4

55887650650580 has 48 divisors (see below), whose sum is σ = 134130932463360. Its totient is φ = 19161398665728.

The previous prime is 55887650650499. The next prime is 55887650650589. The reversal of 55887650650580 is 8505605678855.

55887650650580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55887650650580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55887650650589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38718476 + ... + 40135964.

It is an arithmetic number, because the mean of its divisors is an integer number (2794394426320).

Almost surely, 255887650650580 is an apocalyptic number.

It is an amenable number.

55887650650580 is an abundant number, since it is smaller than the sum of its proper divisors (78243281812780).

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

55887650650580 is a wasteful number, since it uses less digits than its factorization.

55887650650580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699128 (or 1699126 counting only the distinct ones).

The product of its (nonzero) digits is 403200000, while the sum is 68.

The spelling of 55887650650580 in words is "fifty-five trillion, eight hundred eighty-seven billion, six hundred fifty million, six hundred fifty thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 281623 563246 1126492 1408115 1417489 1971361 2816230 2834978 3942722 5632460 5669956 7087445 7885444 9856805 9922423 14174890 19713610 19844846 28349780 39427220 39689692 49612115 99224230 198448460 399197504647 798395009294 1596790018588 1995987523235 2794382532529 3991975046470 5588765065058 7983950092940 11177530130116 13971912662645 27943825325290 55887650650580