56004066 has 12 divisors (see below), whose sum is σ = 121342182. Its totient is φ = 18668016.

The previous prime is 56004059. The next prime is 56004071. The reversal of 56004066 is 66040065.

56004066 is a `hidden beast` number, since 560 + 0 + 40 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52142841 + 3861225 = 7221^2 + 1965^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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, 1555651 + ... + 1555686.

Almost surely, 2^56004066 is an apocalyptic number.

56004066 is an abundant number, since it is smaller than the sum of its proper divisors (65338116).

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

56004066 is a wasteful number, since it uses less digits than its factorization.

56004066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111345 (or 3111342 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56004066 is about 7483.5864396692. The cubic root of 56004066 is about 382.5954958282.

The spelling of 56004066 in words is "fifty-six million, four thousand, sixty-six", and thus it is an eban number.