56566113 has 16 divisors (see below), whose sum is σ = 77527296. Its totient is φ = 36666000.

The previous prime is 56566091. The next prime is 56566117. The reversal of 56566113 is 31166565.

56566113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56566113 - 2⁶ = 56566049 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31506 + ... + 33252.

It is an arithmetic number, because the mean of its divisors is an integer number (4845456).

Almost surely, 2^56566113 is an apocalyptic number.

It is an amenable number.

56566113 is a deficient number, since it is larger than the sum of its proper divisors (20961183).

56566113 is a wasteful number, since it uses less digits than its factorization.

56566113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its digits is 16200, while the sum is 33.

The square root of 56566113 is about 7521.0446747776. The cubic root of 56566113 is about 383.8711251014.

The spelling of 56566113 in words is "fifty-six million, five hundred sixty-six thousand, one hundred thirteen".