50515422858 has 48 divisors (see below), whose sum is σ = 111582282240. Its totient is φ = 16510826592.

The previous prime is 50515422851. The next prime is 50515422887. The reversal of 50515422858 is 85822451505.

50515422858 is a `hidden beast` number, since 5 + 0 + 51 + 542 + 2 + 8 + 58 = 666.

50515422858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50515422851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1663035 + ... + 1693137.

It is an arithmetic number, because the mean of its divisors is an integer number (2324630880).

Almost surely, 2^50515422858 is an apocalyptic number.

50515422858 is an abundant number, since it is smaller than the sum of its proper divisors (61066859382).

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

50515422858 is a wasteful number, since it uses less digits than its factorization.

50515422858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31923 (or 31920 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 45.

The spelling of 50515422858 in words is "fifty billion, five hundred fifteen million, four hundred twenty-two thousand, eight hundred fifty-eight".