56494389345 has 32 divisors (see below), whose sum is σ = 91377834240. Its totient is φ = 29801779200.

The previous prime is 56494389323. The next prime is 56494389353. The reversal of 56494389345 is 54398349465.

It is not a de Polignac number, because 56494389345 - 2⁹ = 56494388833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2609676 + ... + 2631234.

It is an arithmetic number, because the mean of its divisors is an integer number (2855557320).

Almost surely, 2^56494389345 is an apocalyptic number.

It is an amenable number.

56494389345 is a deficient number, since it is larger than the sum of its proper divisors (34883444895).

56494389345 is a wasteful number, since it uses less digits than its factorization.

56494389345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23465.

The product of its digits is 55987200, while the sum is 60.

The spelling of 56494389345 in words is "fifty-six billion, four hundred ninety-four million, three hundred eighty-nine thousand, three hundred forty-five".