56426543345 has 16 divisors (see below), whose sum is σ = 68965344000. Its totient is φ = 44312873088.

The previous prime is 56426543339. The next prime is 56426543351. The reversal of 56426543345 is 54334562465.

It is an interprime number because it is at equal distance from previous prime (56426543339) and next prime (56426543351).

It is a cyclic number.

It is not a de Polignac number, because 56426543345 - 2²² = 56422349041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56426543345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394265 + ... + 517974.

It is an arithmetic number, because the mean of its divisors is an integer number (4310334000).

Almost surely, 2^56426543345 is an apocalyptic number.

It is an amenable number.

56426543345 is a deficient number, since it is larger than the sum of its proper divisors (12538800655).

56426543345 is a wasteful number, since it uses less digits than its factorization.

56426543345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912472.

The product of its digits is 5184000, while the sum is 47.

The spelling of 56426543345 in words is "fifty-six billion, four hundred twenty-six million, five hundred forty-three thousand, three hundred forty-five".