56886318613 has 2 divisors, whose sum is σ = 56886318614. Its totient is φ = 56886318612.

The previous prime is 56886318583. The next prime is 56886318691. The reversal of 56886318613 is 31681368865.

56886318613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40071231684 + 16815086929 = 200178^2 + 129673^2 .

It is a cyclic number.

It is not a de Polignac number, because 56886318613 - 2⁹ = 56886318101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56886318113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28443159306 + 28443159307.

It is an arithmetic number, because the mean of its divisors is an integer number (28443159307).

Almost surely, 2^56886318613 is an apocalyptic number.

It is an amenable number.

56886318613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56886318613 is an equidigital number, since it uses as much as digits as its factorization.

56886318613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 55.

The spelling of 56886318613 in words is "fifty-six billion, eight hundred eighty-six million, three hundred eighteen thousand, six hundred thirteen".