56561746288 has 40 divisors (see below), whose sum is σ = 111114763200. Its totient is φ = 27887867904.

The previous prime is 56561746261. The next prime is 56561746321. The reversal of 56561746288 is 88264716565.

It is a happy number.

56561746288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56561746288² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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, 994920 + ... + 1050232.

It is an arithmetic number, because the mean of its divisors is an integer number (2777869080).

Almost surely, 2^56561746288 is an apocalyptic number.

It is an amenable number.

56561746288 is a deficient number, since it is larger than the sum of its proper divisors (54553016912).

56561746288 is a wasteful number, since it uses less digits than its factorization.

56561746288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56209 (or 56203 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 56561746288 in words is "fifty-six billion, five hundred sixty-one million, seven hundred forty-six thousand, two hundred eighty-eight".