56315342399 has 2 divisors, whose sum is σ = 56315342400. Its totient is φ = 56315342398.

The previous prime is 56315342389. The next prime is 56315342407. The reversal of 56315342399 is 99324351365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56315342399 - 2¹⁶ = 56315276863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56315342339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28157671199 + 28157671200.

It is an arithmetic number, because the mean of its divisors is an integer number (28157671200).

Almost surely, 2^56315342399 is an apocalyptic number.

56315342399 is a deficient number, since it is larger than the sum of its proper divisors (1).

56315342399 is an equidigital number, since it uses as much as digits as its factorization.

56315342399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 50.

The spelling of 56315342399 in words is "fifty-six billion, three hundred fifteen million, three hundred forty-two thousand, three hundred ninety-nine".