56567655 has 24 divisors (see below), whose sum is σ = 103212720. Its totient is φ = 28581120.

The previous prime is 56567639. The next prime is 56567663. The reversal of 56567655 is 55676565.

It is not a de Polignac number, because 56567655 - 2⁴ = 56567639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56567655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32226 + ... + 33935.

It is an arithmetic number, because the mean of its divisors is an integer number (4300530).

Almost surely, 2^56567655 is an apocalyptic number.

56567655 is a deficient number, since it is larger than the sum of its proper divisors (46645065).

56567655 is a wasteful number, since it uses less digits than its factorization.

56567655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66191 (or 66188 counting only the distinct ones).

The product of its digits is 945000, while the sum is 45.

The square root of 56567655 is about 7521.1471864337. The cubic root of 56567655 is about 383.8746131963.

Subtracting from 56567655 its product of digits (945000), we obtain a palindrome (55622655).

The spelling of 56567655 in words is "fifty-six million, five hundred sixty-seven thousand, six hundred fifty-five".