55550055055205 has 16 divisors (see below), whose sum is σ = 70582175252784. Its totient is φ = 41825373388800.

The previous prime is 55550055055193. The next prime is 55550055055219. The reversal of 55550055055205 is 50255055005555.

55550055055205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 703855559521 + 54846199495684 = 838961^2 + 7405822^2 .

It is not a de Polignac number, because 55550055055205 - 2¹⁰ = 55550055054181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55550055055205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2255405 + ... + 10779005.

It is an arithmetic number, because the mean of its divisors is an integer number (4411385953299).

Almost surely, 2^{55550055055205} is an apocalyptic number.

It is an amenable number.

55550055055205 is a deficient number, since it is larger than the sum of its proper divisors (15032120197579).

55550055055205 is a wasteful number, since it uses less digits than its factorization.

55550055055205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8600296.

The product of its (nonzero) digits is 3906250, while the sum is 47.

The spelling of 55550055055205 in words is "fifty-five trillion, five hundred fifty billion, fifty-five million, fifty-five thousand, two hundred five".