56281322339 has 32 divisors (see below), whose sum is σ = 63479227392. Its totient is φ = 49455360000.

The previous prime is 56281322309. The next prime is 56281322371. The reversal of 56281322339 is 93322318265.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56281322339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56281322339.

It is not an unprimeable number, because it can be changed into a prime (56281322309) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 33164339 + ... + 33166035.

It is an arithmetic number, because the mean of its divisors is an integer number (1983725856).

Almost surely, 2^56281322339 is an apocalyptic number.

56281322339 is a deficient number, since it is larger than the sum of its proper divisors (7197905053).

56281322339 is a wasteful number, since it uses less digits than its factorization.

56281322339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 466560, while the sum is 44.

The spelling of 56281322339 in words is "fifty-six billion, two hundred eighty-one million, three hundred twenty-two thousand, three hundred thirty-nine".