56315342449 has 2 divisors, whose sum is σ = 56315342450. Its totient is φ = 56315342448.

The previous prime is 56315342407. The next prime is 56315342459. The reversal of 56315342449 is 94424351365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53018286049 + 3297056400 = 230257^2 + 57420^2 .

It is a cyclic number.

It is not a de Polignac number, because 56315342449 - 2³³ = 47725407857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56315342399 and 56315342408.

It is not a weakly prime, because it can be changed into another prime (56315342459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28157671224 + 28157671225.

It is an arithmetic number, because the mean of its divisors is an integer number (28157671225).

Almost surely, 2^56315342449 is an apocalyptic number.

It is an amenable number.

56315342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56315342449 is an equidigital number, since it uses as much as digits as its factorization.

56315342449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 46.

The spelling of 56315342449 in words is "fifty-six billion, three hundred fifteen million, three hundred forty-two thousand, four hundred forty-nine".