56560540 has 24 divisors (see below), whose sum is σ = 121020480. Its totient is φ = 22196928.

The previous prime is 56560507. The next prime is 56560571. The reversal of 56560540 is 4506565.

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, 25620 + ... + 27739.

It is an arithmetic number, because the mean of its divisors is an integer number (5042520).

Almost surely, 2^56560540 is an apocalyptic number.

It is an amenable number.

56560540 is an abundant number, since it is smaller than the sum of its proper divisors (64459940).

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

56560540 is a wasteful number, since it uses less digits than its factorization.

56560540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53421 (or 53419 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56560540 is about 7520.6741719077. The cubic root of 56560540 is about 383.8585181186.

The spelling of 56560540 in words is "fifty-six million, five hundred sixty thousand, five hundred forty".