56816524757 has 2 divisors, whose sum is σ = 56816524758. Its totient is φ = 56816524756.

The previous prime is 56816524741. The next prime is 56816524759. The reversal of 56816524757 is 75742561865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55935088036 + 881436721 = 236506^2 + 29689^2 .

It is a cyclic number.

It is not a de Polignac number, because 56816524757 - 2⁴ = 56816524741 is a prime.

Together with 56816524759, 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 (56816524759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28408262378 + 28408262379.

It is an arithmetic number, because the mean of its divisors is an integer number (28408262379).

Almost surely, 2^56816524757 is an apocalyptic number.

It is an amenable number.

56816524757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56816524757 is an equidigital number, since it uses as much as digits as its factorization.

56816524757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112000, while the sum is 56.

The spelling of 56816524757 in words is "fifty-six billion, eight hundred sixteen million, five hundred twenty-four thousand, seven hundred fifty-seven".