56707021760 has 28 divisors (see below), whose sum is σ = 135033596328. Its totient is φ = 22682808576.

The previous prime is 56707021759. The next prime is 56707021793. The reversal of 56707021760 is 6712070765.

It is a super-2 number, since 2×56707021760² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88604402 + ... + 88605041.

Almost surely, 2^56707021760 is an apocalyptic number.

It is an amenable number.

56707021760 is an abundant number, since it is smaller than the sum of its proper divisors (78326574568).

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

56707021760 is a wasteful number, since it uses less digits than its factorization.

56707021760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177209460 (or 177209450 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 56707021760 in words is "fifty-six billion, seven hundred seven million, twenty-one thousand, seven hundred sixty".