56613402 has 12 divisors (see below), whose sum is σ = 122662410. Its totient is φ = 18871128.

The previous prime is 56613377. The next prime is 56613421. The reversal of 56613402 is 20431665.

56613402 is a `hidden beast` number, since 5 + 6 + 613 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56565441 + 47961 = 7521^2 + 219^2 .

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, 1572577 + ... + 1572612.

Almost surely, 2^56613402 is an apocalyptic number.

56613402 is an abundant number, since it is smaller than the sum of its proper divisors (66049008).

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

56613402 is a wasteful number, since it uses less digits than its factorization.

56613402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145197 (or 3145194 counting only the distinct ones).

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

The square root of 56613402 is about 7524.1877966994. The cubic root of 56613402 is about 383.9780667811.

The spelling of 56613402 in words is "fifty-six million, six hundred thirteen thousand, four hundred two".