55550510199 has 6 divisors (see below), whose sum is σ = 80239625856. Its totient is φ = 37033673460.

The previous prime is 55550510177. The next prime is 55550510209. The reversal of 55550510199 is 99101505555.

55550510199 is a `hidden beast` number, since 5 + 5 + 550 + 5 + 1 + 0 + 1 + 99 = 666.

It is not a de Polignac number, because 55550510199 - 2⁸ = 55550509943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550510299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086139447 + ... + 3086139464.

It is an arithmetic number, because the mean of its divisors is an integer number (13373270976).

Almost surely, 2^55550510199 is an apocalyptic number.

55550510199 is a deficient number, since it is larger than the sum of its proper divisors (24689115657).

55550510199 is a wasteful number, since it uses less digits than its factorization.

55550510199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172278917 (or 6172278914 counting only the distinct ones).

The product of its (nonzero) digits is 253125, while the sum is 45.

The spelling of 55550510199 in words is "fifty-five billion, five hundred fifty million, five hundred ten thousand, one hundred ninety-nine".