56398515696 has 60 divisors (see below), whose sum is σ = 162103406712. Its totient is φ = 18291408768.

The previous prime is 56398515683. The next prime is 56398515707. The reversal of 56398515696 is 69651589365.

56398515696 is a `hidden beast` number, since 5 + 6 + 398 + 5 + 156 + 96 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5287326 + ... + 5297981.

Almost surely, 2^56398515696 is an apocalyptic number.

It is an amenable number.

56398515696 is an abundant number, since it is smaller than the sum of its proper divisors (105704891016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56398515696 is a wasteful number, since it uses less digits than its factorization.

56398515696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585358 (or 10585349 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The spelling of 56398515696 in words is "fifty-six billion, three hundred ninety-eight million, five hundred fifteen thousand, six hundred ninety-six".