56324762257 has 2 divisors, whose sum is σ = 56324762258. Its totient is φ = 56324762256.

The previous prime is 56324762171. The next prime is 56324762269. The reversal of 56324762257 is 75226742365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52848952321 + 3475809936 = 229889^2 + 58956^2 .

It is a cyclic number.

It is not a de Polignac number, because 56324762257 - 2⁷ = 56324762129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56324762257.

It is not a weakly prime, because it can be changed into another prime (56324762057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28162381128 + 28162381129.

It is an arithmetic number, because the mean of its divisors is an integer number (28162381129).

Almost surely, 2^56324762257 is an apocalyptic number.

It is an amenable number.

56324762257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56324762257 is an equidigital number, since it uses as much as digits as its factorization.

56324762257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 49.

The spelling of 56324762257 in words is "fifty-six billion, three hundred twenty-four million, seven hundred sixty-two thousand, two hundred fifty-seven".