56666174 has 16 divisors (see below), whose sum is σ = 89979120. Its totient is φ = 26718720.

The previous prime is 56666173. The next prime is 56666191. The reversal of 56666174 is 47166665.

It is a super-2 number, since 2×56666174² = 6422110551596552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56666173) 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, 8867 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (5623695).

Almost surely, 2^56666174 is an apocalyptic number.

56666174 is a deficient number, since it is larger than the sum of its proper divisors (33312946).

56666174 is a wasteful number, since it uses less digits than its factorization.

56666174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795.

The product of its digits is 181440, while the sum is 41.

The square root of 56666174 is about 7527.6938035497. The cubic root of 56666174 is about 384.0973377014.

The spelling of 56666174 in words is "fifty-six million, six hundred sixty-six thousand, one hundred seventy-four".