56479716864 has 60 divisors (see below), whose sum is σ = 163004300316. Its totient is φ = 18826570752.

The previous prime is 56479716857. The next prime is 56479716869. The reversal of 56479716864 is 46861797465.

It is a happy number.

56479716864 is a `hidden beast` number, since 564 + 7 + 9 + 7 + 1 + 6 + 8 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56479716869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6123834 + ... + 6133049.

Almost surely, 2^56479716864 is an apocalyptic number.

It is an amenable number.

56479716864 is an abundant number, since it is smaller than the sum of its proper divisors (106524583452).

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

56479716864 is a wasteful number, since it uses less digits than its factorization.

56479716864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256907 (or 12256888 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 56479716864 in words is "fifty-six billion, four hundred seventy-nine million, seven hundred sixteen thousand, eight hundred sixty-four".