56815682 has 32 divisors (see below), whose sum is σ = 108273024. Its totient is φ = 21715200.

The previous prime is 56815673. The next prime is 56815697. The reversal of 56815682 is 28651865.

It is a super-2 number, since 2×56815682² = 6456043442250248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 4682 + ... + 11642.

It is an arithmetic number, because the mean of its divisors is an integer number (3383532).

Almost surely, 2^56815682 is an apocalyptic number.

56815682 is a deficient number, since it is larger than the sum of its proper divisors (51457342).

56815682 is a wasteful number, since it uses less digits than its factorization.

56815682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034.

The product of its digits is 115200, while the sum is 41.

The square root of 56815682 is about 7537.6177934411. The cubic root of 56815682 is about 384.4348417813.

The spelling of 56815682 in words is "fifty-six million, eight hundred fifteen thousand, six hundred eighty-two".