56005039 has 2 divisors, whose sum is σ = 56005040. Its totient is φ = 56005038.

The previous prime is 56005031. The next prime is 56005043. The reversal of 56005039 is 93050065.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56005039 - 2³ = 56005031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56004998 and 56005016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28002519 + 28002520.

It is an arithmetic number, because the mean of its divisors is an integer number (28002520).

Almost surely, 2^56005039 is an apocalyptic number.

56005039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56005039 is an equidigital number, since it uses as much as digits as its factorization.

56005039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 56005039 is about 7483.6514483239. The cubic root of 56005039 is about 382.5977115201.

The spelling of 56005039 in words is "fifty-six million, five thousand, thirty-nine".