56695618 has 16 divisors (see below), whose sum is σ = 99820224. Its totient is φ = 23641200.

The previous prime is 56695589. The next prime is 56695631. The reversal of 56695618 is 81659665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54208 + ... + 55243.

It is an arithmetic number, because the mean of its divisors is an integer number (6238764).

Almost surely, 2^56695618 is an apocalyptic number.

56695618 is a deficient number, since it is larger than the sum of its proper divisors (43124606).

56695618 is a wasteful number, since it uses less digits than its factorization.

56695618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109497.

The product of its digits is 388800, while the sum is 46.

The square root of 56695618 is about 7529.6492614198. The cubic root of 56695618 is about 384.1638524196.

The spelling of 56695618 in words is "fifty-six million, six hundred ninety-five thousand, six hundred eighteen".