56885812164 has 48 divisors (see below), whose sum is σ = 147494592000. Its totient is φ = 18960284448.

The previous prime is 56885812157. The next prime is 56885812177. The reversal of 56885812164 is 46121858865.

56885812164 is a `hidden beast` number, since 56 + 8 + 8 + 581 + 2 + 1 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 56885812164.

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 15 ways as a sum of consecutive naturals, for example, 2403862 + ... + 2427410.

It is an arithmetic number, because the mean of its divisors is an integer number (3072804000).

Almost surely, 2^56885812164 is an apocalyptic number.

56885812164 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56885812164 is an abundant number, since it is smaller than the sum of its proper divisors (90608779836).

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

56885812164 is a wasteful number, since it uses less digits than its factorization.

56885812164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45929 (or 45921 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The spelling of 56885812164 in words is "fifty-six billion, eight hundred eighty-five million, eight hundred twelve thousand, one hundred sixty-four".