56556405184 has 28 divisors (see below), whose sum is σ = 112248816904. Its totient is φ = 28273238784.

The previous prime is 56556405181. The next prime is 56556405211. The reversal of 56556405184 is 48150465565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556405181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304474 + ... + 453670.

It is an arithmetic number, because the mean of its divisors is an integer number (4008886318).

Almost surely, 2^56556405184 is an apocalyptic number.

It is an amenable number.

56556405184 is a deficient number, since it is larger than the sum of its proper divisors (55692411720).

56556405184 is a wasteful number, since it uses less digits than its factorization.

56556405184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155132 (or 155122 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 56556405184 in words is "fifty-six billion, five hundred fifty-six million, four hundred five thousand, one hundred eighty-four".