56057720664360 has 32 divisors (see below), whose sum is σ = 168173161993440. Its totient is φ = 14948725510464.

The previous prime is 56057720664349. The next prime is 56057720664373. The reversal of 56057720664360 is 6346602775065.

It is a self number, because there is not a number n which added to its sum of digits gives 56057720664360.

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, 233573835982 + ... + 233573836221.

It is an arithmetic number, because the mean of its divisors is an integer number (5255411312295).

Almost surely, 2^{56057720664360} is an apocalyptic number.

It is an amenable number.

56057720664360 is an abundant number, since it is smaller than the sum of its proper divisors (112115441329080).

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

56057720664360 is a wasteful number, since it uses less digits than its factorization.

56057720664360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467147672217 (or 467147672213 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 56057720664360 in words is "fifty-six trillion, fifty-seven billion, seven hundred twenty million, six hundred sixty-four thousand, three hundred sixty".