56875613 has 2 divisors, whose sum is σ = 56875614. Its totient is φ = 56875612.

The previous prime is 56875601. The next prime is 56875631. The reversal of 56875613 is 31657865.

Together with next prime (56875631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38402809 + 18472804 = 6197^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 56875613 - 2¹⁶ = 56810077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56875213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28437806 + 28437807.

It is an arithmetic number, because the mean of its divisors is an integer number (28437807).

Almost surely, 2^56875613 is an apocalyptic number.

It is an amenable number.

56875613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56875613 is an equidigital number, since it uses as much as digits as its factorization.

56875613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 56875613 is about 7541.5922058939. The cubic root of 56875613 is about 384.5699656736.

The spelling of 56875613 in words is "fifty-six million, eight hundred seventy-five thousand, six hundred thirteen".