56005555996 has 24 divisors (see below), whose sum is σ = 105634380320. Its totient is φ = 25827792192.

The previous prime is 56005555987. The next prime is 56005555999. The reversal of 56005555996 is 69955550065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005555999) 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 7 ways as a sum of consecutive naturals, for example, 371016 + ... + 499663.

Almost surely, 2^56005555996 is an apocalyptic number.

It is an amenable number.

56005555996 is a deficient number, since it is larger than the sum of its proper divisors (49628824324).

56005555996 is a wasteful number, since it uses less digits than its factorization.

56005555996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871933 (or 871931 counting only the distinct ones).

The product of its (nonzero) digits is 9112500, while the sum is 55.

The spelling of 56005555996 in words is "fifty-six billion, five million, five hundred fifty-five thousand, nine hundred ninety-six".