56499508799 has 4 divisors (see below), whose sum is σ = 56579198520. Its totient is φ = 56419819080.

The previous prime is 56499508693. The next prime is 56499508801. The reversal of 56499508799 is 99780599465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56499508799 - 2¹² = 56499504703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56439508799) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39843797 + ... + 39845214.

It is an arithmetic number, because the mean of its divisors is an integer number (14144799630).

Almost surely, 2^56499508799 is an apocalyptic number.

56499508799 is a deficient number, since it is larger than the sum of its proper divisors (79689721).

56499508799 is an equidigital number, since it uses as much as digits as its factorization.

56499508799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79689720.

The product of its (nonzero) digits is 220449600, while the sum is 71.

The spelling of 56499508799 in words is "fifty-six billion, four hundred ninety-nine million, five hundred eight thousand, seven hundred ninety-nine".