55505050506 has 12 divisors (see below), whose sum is σ = 120260942802. Its totient is φ = 18501683496.

The previous prime is 55505050477. The next prime is 55505050529. The reversal of 55505050506 is 60505050555.

55505050506 is a `hidden beast` number, since 5 + 5 + 50 + 50 + 50 + 506 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48349413225 + 7155637281 = 219885^2 + 84591^2 .

It is a super-2 number, since 2×55505050506² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541806941 + ... + 1541806976.

Almost surely, 2^55505050506 is an apocalyptic number.

55505050506 is an abundant number, since it is smaller than the sum of its proper divisors (64755892296).

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

55505050506 is a wasteful number, since it uses less digits than its factorization.

55505050506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083613925 (or 3083613922 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 55505050506 in words is "fifty-five billion, five hundred five million, fifty thousand, five hundred six".