56000660 has 12 divisors (see below), whose sum is σ = 117601428. Its totient is φ = 22400256.

The previous prime is 56000639. The next prime is 56000671. The reversal of 56000660 is 6600065.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30316036 + 25684624 = 5506^2 + 5068^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1399997 + ... + 1400036.

It is an arithmetic number, because the mean of its divisors is an integer number (9800119).

Almost surely, 2^56000660 is an apocalyptic number.

It is an amenable number.

56000660 is an abundant number, since it is smaller than the sum of its proper divisors (61600768).

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

56000660 is a wasteful number, since it uses less digits than its factorization.

56000660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800042 (or 2800040 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 56000660 is about 7483.3588715229. The cubic root of 56000660 is about 382.5877395659.

The spelling of 56000660 in words is "fifty-six million, six hundred sixty", and thus it is an aban number.