56577228713 has 2 divisors, whose sum is σ = 56577228714. Its totient is φ = 56577228712.

The previous prime is 56577228691. The next prime is 56577228727. The reversal of 56577228713 is 31782277565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41350409104 + 15226819609 = 203348^2 + 123397^2 .

It is a cyclic number.

It is not a de Polignac number, because 56577228713 - 2⁶ = 56577228649 is a prime.

It is a super-2 number, since 2×56577228713² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56577278713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288614356 + 28288614357.

It is an arithmetic number, because the mean of its divisors is an integer number (28288614357).

Almost surely, 2^56577228713 is an apocalyptic number.

It is an amenable number.

56577228713 is a deficient number, since it is larger than the sum of its proper divisors (1).

56577228713 is an equidigital number, since it uses as much as digits as its factorization.

56577228713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 53.

The spelling of 56577228713 in words is "fifty-six billion, five hundred seventy-seven million, two hundred twenty-eight thousand, seven hundred thirteen".