56604479 has 2 divisors, whose sum is σ = 56604480. Its totient is φ = 56604478.

The previous prime is 56604473. The next prime is 56604503. The reversal of 56604479 is 97440665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56604479 is a prime.

It is a super-2 number, since 2×56604479² = 6408134085722882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56604473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28302239 + 28302240.

It is an arithmetic number, because the mean of its divisors is an integer number (28302240).

Almost surely, 2^56604479 is an apocalyptic number.

56604479 is a deficient number, since it is larger than the sum of its proper divisors (1).

56604479 is an equidigital number, since it uses as much as digits as its factorization.

56604479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 56604479 is about 7523.5948189679. The cubic root of 56604479 is about 383.9578924279.

The spelling of 56604479 in words is "fifty-six million, six hundred four thousand, four hundred seventy-nine".