56004979 has 2 divisors, whose sum is σ = 56004980. Its totient is φ = 56004978.

The previous prime is 56004961. The next prime is 56005009. The reversal of 56004979 is 97940065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56004979 - 2⁹ = 56004467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56004929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28002489 + 28002490.

It is an arithmetic number, because the mean of its divisors is an integer number (28002490).

Almost surely, 2^56004979 is an apocalyptic number.

56004979 is a deficient number, since it is larger than the sum of its proper divisors (1).

56004979 is an equidigital number, since it uses as much as digits as its factorization.

56004979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 56004979 is about 7483.6474395845. The cubic root of 56004979 is about 382.5975748903.

The spelling of 56004979 in words is "fifty-six million, four thousand, nine hundred seventy-nine".