56566107 has 20 divisors (see below), whose sum is σ = 91001680. Its totient is φ = 34809264.

The previous prime is 56566091. The next prime is 56566117. The reversal of 56566107 is 70166565.

It is a happy number.

It is not a de Polignac number, because 56566107 - 2⁴ = 56566091 is a prime.

It is a super-2 number, since 2×56566107² = 6399448922270898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56566117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25807 + ... + 27912.

It is an arithmetic number, because the mean of its divisors is an integer number (4550084).

Almost surely, 2^56566107 is an apocalyptic number.

56566107 is a deficient number, since it is larger than the sum of its proper divisors (34435573).

56566107 is a wasteful number, since it uses less digits than its factorization.

56566107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53744 (or 53735 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56566107 is about 7521.0442758968. The cubic root of 56566107 is about 383.8711115290.

The spelling of 56566107 in words is "fifty-six million, five hundred sixty-six thousand, one hundred seven".