555550555149 has 20 divisors (see below), whose sum is σ = 865978968096. Its totient is φ = 354264120936.

The previous prime is 555550555139. The next prime is 555550555151. The reversal of 555550555149 is 941555055555.

It is not a de Polignac number, because 555550555149 - 2³² = 551255587853 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 555550555095 and 555550555104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555550555139) 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 19 ways as a sum of consecutive naturals, for example, 149099199 + ... + 149102924.

Almost surely, 2^555550555149 is an apocalyptic number.

It is an amenable number.

555550555149 is a deficient number, since it is larger than the sum of its proper divisors (310428412947).

555550555149 is a wasteful number, since it uses less digits than its factorization.

555550555149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298202158 (or 298202149 counting only the distinct ones).

The product of its (nonzero) digits is 14062500, while the sum is 54.

The spelling of 555550555149 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, one hundred forty-nine".