50555500509 has 32 divisors (see below), whose sum is σ = 71259840000. Its totient is φ = 31829220864.

The previous prime is 50555500483. The next prime is 50555500531. The reversal of 50555500509 is 90500555505.

It is not a de Polignac number, because 50555500509 - 2⁵ = 50555500477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555504509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9275217 + ... + 9280665.

It is an arithmetic number, because the mean of its divisors is an integer number (2226870000).

Almost surely, 2^50555500509 is an apocalyptic number.

It is an amenable number.

50555500509 is a deficient number, since it is larger than the sum of its proper divisors (20704339491).

50555500509 is a wasteful number, since it uses less digits than its factorization.

50555500509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7797.

The product of its (nonzero) digits is 140625, while the sum is 39.

The spelling of 50555500509 in words is "fifty billion, five hundred fifty-five million, five hundred thousand, five hundred nine".