56643164 has 6 divisors (see below), whose sum is σ = 99125544. Its totient is φ = 28321580.

The previous prime is 56643157. The next prime is 56643173. The reversal of 56643164 is 46134665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7080392 + ... + 7080399.

It is an arithmetic number, because the mean of its divisors is an integer number (16520924).

Almost surely, 2^56643164 is an apocalyptic number.

It is an amenable number.

56643164 is a deficient number, since it is larger than the sum of its proper divisors (42482380).

56643164 is a wasteful number, since it uses less digits than its factorization.

56643164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14160795 (or 14160793 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 56643164 is about 7526.1652918336. The cubic root of 56643164 is about 384.0453415065.

The spelling of 56643164 in words is "fifty-six million, six hundred forty-three thousand, one hundred sixty-four".