55005500056 has 16 divisors (see below), whose sum is σ = 111068798400. Its totient is φ = 25387153824.

The previous prime is 55005500051. The next prime is 55005500089. The reversal of 55005500056 is 65000550055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005500051) 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 3 ways as a sum of consecutive naturals, for example, 264449416 + ... + 264449623.

It is an arithmetic number, because the mean of its divisors is an integer number (6941799900).

Almost surely, 2^55005500056 is an apocalyptic number.

It is an amenable number.

55005500056 is an abundant number, since it is smaller than the sum of its proper divisors (56063298344).

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

55005500056 is a wasteful number, since it uses less digits than its factorization.

55005500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528899058 (or 528899054 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55005500056 in words is "fifty-five billion, five million, five hundred thousand, fifty-six".