56005164 has 18 divisors (see below), whose sum is σ = 141568700. Its totient is φ = 18668376.

The previous prime is 56005129. The next prime is 56005171. The reversal of 56005164 is 46150065.

It is a happy number.

56005164 is a `hidden beast` number, since 5 + 600 + 51 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777814 + ... + 777885.

Almost surely, 2^56005164 is an apocalyptic number.

It is an amenable number.

56005164 is an abundant number, since it is smaller than the sum of its proper divisors (85563536).

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

56005164 is a wasteful number, since it uses less digits than its factorization.

56005164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555709 (or 1555704 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56005164 is about 7483.6597998573. The cubic root of 56005164 is about 382.5979961652.

It can be divided in two parts, 56005 and 164, that added together give a square (56169 = 237²).

The spelling of 56005164 in words is "fifty-six million, five thousand, one hundred sixty-four".