56624402 has 8 divisors (see below), whose sum is σ = 85406412. Its totient is φ = 28155600.

The previous prime is 56624387. The next prime is 56624411. The reversal of 56624402 is 20442665.

It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 23435281 = 5761^2 + 4841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77849 + ... + 78572.

Almost surely, 2^56624402 is an apocalyptic number.

56624402 is a deficient number, since it is larger than the sum of its proper divisors (28782010).

56624402 is a wasteful number, since it uses less digits than its factorization.

56624402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156604.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 56624402 is about 7524.9187371027. The cubic root of 56624402 is about 384.0029341862.

The spelling of 56624402 in words is "fifty-six million, six hundred twenty-four thousand, four hundred two".