56624559396 has 24 divisors (see below), whose sum is σ = 132169566144. Its totient is φ = 18868339680.

The previous prime is 56624559371. The next prime is 56624559403. The reversal of 56624559396 is 69395542665.

It is a super-2 number, since 2×56624559396² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 777895 + ... + 847566.

It is an arithmetic number, because the mean of its divisors is an integer number (5507065256).

Almost surely, 2^56624559396 is an apocalyptic number.

It is an amenable number.

56624559396 is an abundant number, since it is smaller than the sum of its proper divisors (75545006748).

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

56624559396 is a wasteful number, since it uses less digits than its factorization.

56624559396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628371 (or 1628369 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 60.

The spelling of 56624559396 in words is "fifty-six billion, six hundred twenty-four million, five hundred fifty-nine thousand, three hundred ninety-six".