56613044315664 has 60 divisors (see below), whose sum is σ = 167757771030876. Its totient is φ = 17760955078656.

The previous prime is 56613044315629. The next prime is 56613044315683. The reversal of 56613044315664 is 46651344031665.

It is a happy number.

56613044315664 is a `hidden beast` number, since 5 + 6 + 6 + 1 + 3 + 0 + 44 + 31 + 566 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26785717442064 + 29827326873600 = 5175492^2 + 5461440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56613044315664.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11563119349 + ... + 11563124244.

Almost surely, 2^{56613044315664} is an apocalyptic number.

It is an amenable number.

56613044315664 is an abundant number, since it is smaller than the sum of its proper divisors (111144726715212).

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

56613044315664 is a wasteful number, since it uses less digits than its factorization.

56613044315664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23126243624 (or 23126243615 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 56613044315664 in words is "fifty-six trillion, six hundred thirteen billion, forty-four million, three hundred fifteen thousand, six hundred sixty-four".