56818275539 has 2 divisors, whose sum is σ = 56818275540. Its totient is φ = 56818275538.

The previous prime is 56818275533. The next prime is 56818275557. The reversal of 56818275539 is 93557281865.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56818275539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56818275533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28409137769 + 28409137770.

It is an arithmetic number, because the mean of its divisors is an integer number (28409137770).

Almost surely, 2^56818275539 is an apocalyptic number.

56818275539 is a deficient number, since it is larger than the sum of its proper divisors (1).

56818275539 is an equidigital number, since it uses as much as digits as its factorization.

56818275539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 59.

The spelling of 56818275539 in words is "fifty-six billion, eight hundred eighteen million, two hundred seventy-five thousand, five hundred thirty-nine".