56627777560 has 32 divisors (see below), whose sum is σ = 129572038800. Its totient is φ = 22267192960.

The previous prime is 56627777543. The next prime is 56627777561. The reversal of 56627777560 is 6577772665.

It is a junction number, because it is equal to n+sod(n) for n = 56627777495 and 56627777504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56627777561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11995051 + ... + 11999770.

Almost surely, 2^56627777560 is an apocalyptic number.

It is an amenable number.

56627777560 is an abundant number, since it is smaller than the sum of its proper divisors (72944261240).

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

56627777560 is a wasteful number, since it uses less digits than its factorization.

56627777560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994891 (or 23994887 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 58.

The spelling of 56627777560 in words is "fifty-six billion, six hundred twenty-seven million, seven hundred seventy-seven thousand, five hundred sixty".