56609802 has 12 divisors (see below), whose sum is σ = 122654610. Its totient is φ = 18869928.

The previous prime is 56609783. The next prime is 56609803. The reversal of 56609802 is 20890665.

56609802 is a `hidden beast` number, since 566 + 0 + 98 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 1390041 = 7431^2 + 1179^2 .

It is not an unprimeable number, because it can be changed into a prime (56609803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572477 + ... + 1572512.

Almost surely, 2^56609802 is an apocalyptic number.

56609802 is an abundant number, since it is smaller than the sum of its proper divisors (66044808).

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

56609802 is a wasteful number, since it uses less digits than its factorization.

56609802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144997 (or 3144994 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 56609802 is about 7523.9485644175. The cubic root of 56609802 is about 383.9699276580.

The spelling of 56609802 in words is "fifty-six million, six hundred nine thousand, eight hundred two".