56312166 has 16 divisors (see below), whose sum is σ = 113382000. Its totient is φ = 18644448.

The previous prime is 56312141. The next prime is 56312167. The reversal of 56312166 is 66121365.

56312166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56312166² = 6342120079223112, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56312167) 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 7 ways as a sum of consecutive naturals, for example, 30601 + ... + 32388.

It is an arithmetic number, because the mean of its divisors is an integer number (7086375).

Almost surely, 2^56312166 is an apocalyptic number.

56312166 is an abundant number, since it is smaller than the sum of its proper divisors (57069834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56312166 is a wasteful number, since it uses less digits than its factorization.

56312166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63143.

The product of its digits is 6480, while the sum is 30.

The square root of 56312166 is about 7504.1432555622. The cubic root of 56312166 is about 383.2958150216.

The spelling of 56312166 in words is "fifty-six million, three hundred twelve thousand, one hundred sixty-six".