56874618255 has 192 divisors, whose sum is σ = 118522994688. Its totient is φ = 23058846720.

The previous prime is 56874618217. The next prime is 56874618289. The reversal of 56874618255 is 55281647865.

It is a Cunningham number, because it is equal to 238484²-1.

It is not a de Polignac number, because 56874618255 - 2⁸ = 56874617999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56874618195 and 56874618204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 46503574 + ... + 46504796.

It is an arithmetic number, because the mean of its divisors is an integer number (617307264).

Almost surely, 2^56874618255 is an apocalyptic number.

56874618255 is an abundant number, since it is smaller than the sum of its proper divisors (61648376433).

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

56874618255 is a wasteful number, since it uses less digits than its factorization.

56874618255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1439 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 57.

The spelling of 56874618255 in words is "fifty-six billion, eight hundred seventy-four million, six hundred eighteen thousand, two hundred fifty-five".