56817562343 has 2 divisors, whose sum is σ = 56817562344. Its totient is φ = 56817562342.

The previous prime is 56817562339. The next prime is 56817562391. The reversal of 56817562343 is 34326571865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56817562343 - 2² = 56817562339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56817562291 and 56817562300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56817562303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28408781171 + 28408781172.

It is an arithmetic number, because the mean of its divisors is an integer number (28408781172).

Almost surely, 2^56817562343 is an apocalyptic number.

56817562343 is a deficient number, since it is larger than the sum of its proper divisors (1).

56817562343 is an equidigital number, since it uses as much as digits as its factorization.

56817562343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 56817562343 in words is "fifty-six billion, eight hundred seventeen million, five hundred sixty-two thousand, three hundred forty-three".