56505164 has 36 divisors (see below), whose sum is σ = 105613200. Its totient is φ = 26446176.

The previous prime is 56505151. The next prime is 56505199. The reversal of 56505164 is 46150565.

It is a self number, because there is not a number n which added to its sum of digits gives 56505164.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157217 + ... + 157575.

It is an arithmetic number, because the mean of its divisors is an integer number (2933700).

Almost surely, 2^56505164 is an apocalyptic number.

It is an amenable number.

56505164 is a deficient number, since it is larger than the sum of its proper divisors (49108036).

56505164 is a wasteful number, since it uses less digits than its factorization.

56505164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56505164 is about 7516.9916855082. The cubic root of 56505164 is about 383.7332040734.

The spelling of 56505164 in words is "fifty-six million, five hundred five thousand, one hundred sixty-four".