56656016055 has 32 divisors (see below), whose sum is σ = 102622230720. Its totient is φ = 29646414720.

The previous prime is 56656016033. The next prime is 56656016063. The reversal of 56656016055 is 55061065665.

It is not a de Polignac number, because 56656016055 - 2⁸ = 56656015799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56656016055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3952036 + ... + 3966345.

It is an arithmetic number, because the mean of its divisors is an integer number (3206944710).

Almost surely, 2^56656016055 is an apocalyptic number.

56656016055 is a deficient number, since it is larger than the sum of its proper divisors (45966214665).

56656016055 is a wasteful number, since it uses less digits than its factorization.

56656016055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918448 (or 7918442 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 56656016055 in words is "fifty-six billion, six hundred fifty-six million, sixteen thousand, fifty-five".