500550550551 has 12 divisors (see below), whose sum is σ = 725898012840. Its totient is φ = 332370882000.

The previous prime is 500550550529. The next prime is 500550550553. The reversal of 500550550551 is 155055055005.

It is a happy number.

500550550551 is a `hidden beast` number, since 5 + 0 + 0 + 5 + 50 + 5 + 50 + 551 = 666.

It is not a de Polignac number, because 500550550551 - 2³⁵ = 466190812183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500550550553) 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 11 ways as a sum of consecutive naturals, for example, 110788036 + ... + 110792553.

It is an arithmetic number, because the mean of its divisors is an integer number (60491501070).

Almost surely, 2^500550550551 is an apocalyptic number.

500550550551 is a deficient number, since it is larger than the sum of its proper divisors (225347462289).

500550550551 is a wasteful number, since it uses less digits than its factorization.

500550550551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221580846 (or 221580843 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 500550550551 in words is "five hundred billion, five hundred fifty million, five hundred fifty thousand, five hundred fifty-one".