55000500005205 has 48 divisors (see below), whose sum is σ = 96951464213760. Its totient is φ = 28835994920064.

The previous prime is 55000500005179. The next prime is 55000500005207. The reversal of 55000500005205 is 50250000500055.

It is a happy number.

It is not a de Polignac number, because 55000500005205 - 2⁹ = 55000500004693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000500005207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269319364 + ... + 269523506.

It is an arithmetic number, because the mean of its divisors is an integer number (2019822171120).

Almost surely, 2^{55000500005205} is an apocalyptic number.

It is an amenable number.

55000500005205 is a deficient number, since it is larger than the sum of its proper divisors (41950964208555).

55000500005205 is a wasteful number, since it uses less digits than its factorization.

55000500005205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305690 (or 305687 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 55000500005205 in words is "fifty-five trillion, five hundred million, five thousand, two hundred five".