56661170 has 32 divisors (see below), whose sum is σ = 109382400. Its totient is φ = 21056256.

The previous prime is 56661169. The next prime is 56661191. The reversal of 56661170 is 7116665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11321 + ... + 15539.

It is an arithmetic number, because the mean of its divisors is an integer number (3418200).

Almost surely, 2^56661170 is an apocalyptic number.

56661170 is a deficient number, since it is larger than the sum of its proper divisors (52721230).

56661170 is a wasteful number, since it uses less digits than its factorization.

56661170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56661170 is about 7527.3614235003. The cubic root of 56661170 is about 384.0860312522.

The spelling of 56661170 in words is "fifty-six million, six hundred sixty-one thousand, one hundred seventy".