56701605564 has 18 divisors (see below), whose sum is σ = 143329058600. Its totient is φ = 18900535176.

The previous prime is 56701605557. The next prime is 56701605619. The reversal of 56701605564 is 46550610765.

56701605564 is a `hidden beast` number, since 5 + 6 + 70 + 16 + 0 + 5 + 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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787522264 + ... + 787522335.

Almost surely, 2^56701605564 is an apocalyptic number.

It is an amenable number.

56701605564 is an abundant number, since it is smaller than the sum of its proper divisors (86627453036).

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

56701605564 is a wasteful number, since it uses less digits than its factorization.

56701605564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575044609 (or 1575044604 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 56701605564 in words is "fifty-six billion, seven hundred one million, six hundred five thousand, five hundred sixty-four".