56816553804 has 24 divisors (see below), whose sum is σ = 138335957760. Its totient is φ = 18115422864.

The previous prime is 56816553799. The next prime is 56816553817. The reversal of 56816553804 is 40835561865.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102928264 + ... + 102928815.

It is an arithmetic number, because the mean of its divisors is an integer number (5763998240).

Almost surely, 2^56816553804 is an apocalyptic number.

It is an amenable number.

56816553804 is an abundant number, since it is smaller than the sum of its proper divisors (81519403956).

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

56816553804 is a wasteful number, since it uses less digits than its factorization.

56816553804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205857109 (or 205857107 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 56816553804 in words is "fifty-six billion, eight hundred sixteen million, five hundred fifty-three thousand, eight hundred four".