56517870075 has 24 divisors (see below), whose sum is σ = 93741457008. Its totient is φ = 30046548480.

The previous prime is 56517870049. The next prime is 56517870091. The reversal of 56517870075 is 57007871565.

It is not a de Polignac number, because 56517870075 - 2²³ = 56509481467 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180314 + ... + 1227263.

It is an arithmetic number, because the mean of its divisors is an integer number (3905894042).

Almost surely, 2^56517870075 is an apocalyptic number.

56517870075 is a deficient number, since it is larger than the sum of its proper divisors (37223586933).

56517870075 is a wasteful number, since it uses less digits than its factorization.

56517870075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407903 (or 2407898 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 56517870075 in words is "fifty-six billion, five hundred seventeen million, eight hundred seventy thousand, seventy-five".