56331166 has 16 divisors (see below), whose sum is σ = 92553840. Its totient is φ = 25594240.

The previous prime is 56331157. The next prime is 56331167. The reversal of 56331166 is 66113365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56331167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27580 + ... + 29551.

It is an arithmetic number, because the mean of its divisors is an integer number (5784615).

Almost surely, 2^56331166 is an apocalyptic number.

56331166 is a deficient number, since it is larger than the sum of its proper divisors (36222674).

56331166 is a wasteful number, since it uses less digits than its factorization.

56331166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57179.

The product of its digits is 9720, while the sum is 31.

The square root of 56331166 is about 7505.4091160975. The cubic root of 56331166 is about 383.3389188012.

The spelling of 56331166 in words is "fifty-six million, three hundred thirty-one thousand, one hundred sixty-six".