56236984717 has 2 divisors, whose sum is σ = 56236984718. Its totient is φ = 56236984716.

The previous prime is 56236984673. The next prime is 56236984799. The reversal of 56236984717 is 71748963265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53192041956 + 3044942761 = 230634^2 + 55181^2 .

It is a cyclic number.

It is not a de Polignac number, because 56236984717 - 2²⁷ = 56102766989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56236984117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28118492358 + 28118492359.

It is an arithmetic number, because the mean of its divisors is an integer number (28118492359).

Almost surely, 2^56236984717 is an apocalyptic number.

It is an amenable number.

56236984717 is a deficient number, since it is larger than the sum of its proper divisors (1).

56236984717 is an equidigital number, since it uses as much as digits as its factorization.

56236984717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 58.

The spelling of 56236984717 in words is "fifty-six billion, two hundred thirty-six million, nine hundred eighty-four thousand, seven hundred seventeen".