56324613564 has 18 divisors (see below), whose sum is σ = 142376106600. Its totient is φ = 18774871176.

The previous prime is 56324613563. The next prime is 56324613613. The reversal of 56324613564 is 46531642365.

56324613564 is a `hidden beast` number, since 5 + 6 + 3 + 24 + 61 + 3 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56324613563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782286264 + ... + 782286335.

It is an arithmetic number, because the mean of its divisors is an integer number (7909783700).

Almost surely, 2^56324613564 is an apocalyptic number.

It is an amenable number.

56324613564 is an abundant number, since it is smaller than the sum of its proper divisors (86051493036).

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

56324613564 is a wasteful number, since it uses less digits than its factorization.

56324613564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564572609 (or 1564572604 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 56324613564 in words is "fifty-six billion, three hundred twenty-four million, six hundred thirteen thousand, five hundred sixty-four".