56100561056 has 24 divisors (see below), whose sum is σ = 112531907124. Its totient is φ = 27521029120.

The previous prime is 56100561029. The next prime is 56100561061. The reversal of 56100561056 is 65016500165.

It can be written as a sum of positive squares in 2 ways, for example, as 54328151056 + 1772410000 = 233084^2 + 42100^2 .

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, 16537385 + ... + 16540776.

Almost surely, 2^56100561056 is an apocalyptic number.

It is an amenable number.

56100561056 is an abundant number, since it is smaller than the sum of its proper divisors (56431346068).

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

56100561056 is a wasteful number, since it uses less digits than its factorization.

56100561056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33078224 (or 33078216 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 56100561056 in words is "fifty-six billion, one hundred million, five hundred sixty-one thousand, fifty-six".