56589166 has 4 divisors (see below), whose sum is σ = 84883752. Its totient is φ = 28294582.

The previous prime is 56589139. The next prime is 56589173. The reversal of 56589166 is 66198565.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14147290 + ... + 14147293.

It is an arithmetic number, because the mean of its divisors is an integer number (21220938).

Almost surely, 2^56589166 is an apocalyptic number.

56589166 is a deficient number, since it is larger than the sum of its proper divisors (28294586).

56589166 is a wasteful number, since it uses less digits than its factorization.

56589166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28294585.

The product of its digits is 388800, while the sum is 46.

The square root of 56589166 is about 7522.5770850155. The cubic root of 56589166 is about 383.9232657365.

The spelling of 56589166 in words is "fifty-six million, five hundred eighty-nine thousand, one hundred sixty-six".