56288145680 has 40 divisors (see below), whose sum is σ = 140936859672. Its totient is φ = 20783314944.

The previous prime is 56288145637. The next prime is 56288145703. The reversal of 56288145680 is 8654188265.

It can be written as a sum of positive squares in 4 ways, for example, as 3481944064 + 52806201616 = 59008^2 + 229796^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 27060569 + ... + 27062648.

Almost surely, 2^56288145680 is an apocalyptic number.

It is an amenable number.

56288145680 is an abundant number, since it is smaller than the sum of its proper divisors (84648713992).

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

56288145680 is a wasteful number, since it uses less digits than its factorization.

56288145680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54123243 (or 54123237 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 56288145680 in words is "fifty-six billion, two hundred eighty-eight million, one hundred forty-five thousand, six hundred eighty".