56716120757 has 2 divisors, whose sum is σ = 56716120758. Its totient is φ = 56716120756.

The previous prime is 56716120717. The next prime is 56716120759. The reversal of 56716120757 is 75702161765.

56716120757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47483024836 + 9233095921 = 217906^2 + 96089^2 .

It is a cyclic number.

It is not a de Polignac number, because 56716120757 - 2⁸ = 56716120501 is a prime.

Together with 56716120759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56716120759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28358060378 + 28358060379.

It is an arithmetic number, because the mean of its divisors is an integer number (28358060379).

Almost surely, 2^56716120757 is an apocalyptic number.

It is an amenable number.

56716120757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56716120757 is an equidigital number, since it uses as much as digits as its factorization.

56716120757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 56716120757 in words is "fifty-six billion, seven hundred sixteen million, one hundred twenty thousand, seven hundred fifty-seven".