56569868860 has 24 divisors (see below), whose sum is σ = 119703575376. Its totient is φ = 22455214080.

The previous prime is 56569868851. The next prime is 56569868879. The reversal of 56569868860 is 6886896565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10793157 + ... + 10798396.

It is an arithmetic number, because the mean of its divisors is an integer number (4987648974).

Almost surely, 2^56569868860 is an apocalyptic number.

It is an amenable number.

56569868860 is an abundant number, since it is smaller than the sum of its proper divisors (63133706516).

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

56569868860 is a wasteful number, since it uses less digits than its factorization.

56569868860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591693 (or 21591691 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 67.

The spelling of 56569868860 in words is "fifty-six billion, five hundred sixty-nine million, eight hundred sixty-eight thousand, eight hundred sixty".