56560566 has 32 divisors (see below), whose sum is σ = 118597248. Its totient is φ = 17962560.

The previous prime is 56560507. The next prime is 56560571. The reversal of 56560566 is 66506565.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7905 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (3706164).

Almost surely, 2^56560566 is an apocalyptic number.

56560566 is an abundant number, since it is smaller than the sum of its proper divisors (62036682).

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

56560566 is a wasteful number, since it uses less digits than its factorization.

56560566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 56560566 is about 7520.6759004760. The cubic root of 56560566 is about 383.8585769366.

The spelling of 56560566 in words is "fifty-six million, five hundred sixty thousand, five hundred sixty-six".