56012005039 has 2 divisors, whose sum is σ = 56012005040. Its totient is φ = 56012005038.

The previous prime is 56012005033. The next prime is 56012005123. The reversal of 56012005039 is 93050021065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56012005039 - 2³ = 56012005031 is a prime.

It is a super-2 number, since 2×56012005039² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56012005039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56012005031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28006002519 + 28006002520.

It is an arithmetic number, because the mean of its divisors is an integer number (28006002520).

Almost surely, 2^56012005039 is an apocalyptic number.

56012005039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56012005039 is an equidigital number, since it uses as much as digits as its factorization.

56012005039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 56012005039 in words is "fifty-six billion, twelve million, five thousand, thirty-nine".