56818275564 has 24 divisors (see below), whose sum is σ = 139553659840. Its totient is φ = 17942613264.

The previous prime is 56818275557. The next prime is 56818275593. The reversal of 56818275564 is 46557281865.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124601254 + ... + 124601709.

Almost surely, 2^56818275564 is an apocalyptic number.

It is an amenable number.

56818275564 is an abundant number, since it is smaller than the sum of its proper divisors (82735384276).

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

56818275564 is a wasteful number, since it uses less digits than its factorization.

56818275564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249202989 (or 249202987 counting only the distinct ones).

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

The spelling of 56818275564 in words is "fifty-six billion, eight hundred eighteen million, two hundred seventy-five thousand, five hundred sixty-four".