56563490 has 16 divisors (see below), whose sum is σ = 104182848. Its totient is φ = 22099056.

The previous prime is 56563483. The next prime is 56563511. The reversal of 56563490 is 9436565.

It is an alternating number because its digits alternate between odd and even.

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, 65342 + ... + 66201.

It is an arithmetic number, because the mean of its divisors is an integer number (6511428).

Almost surely, 2^56563490 is an apocalyptic number.

56563490 is a deficient number, since it is larger than the sum of its proper divisors (47619358).

56563490 is a wasteful number, since it uses less digits than its factorization.

56563490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131593.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 56563490 is about 7520.8702953847. The cubic root of 56563490 is about 383.8651915753.

The spelling of 56563490 in words is "fifty-six million, five hundred sixty-three thousand, four hundred ninety".