50520575018 has 8 divisors (see below), whose sum is σ = 75781908612. Its totient is φ = 25259938816.

The previous prime is 50520575003. The next prime is 50520575023. The reversal of 50520575018 is 81057502505.

It can be written as a sum of positive squares in 2 ways, for example, as 46607196769 + 3913378249 = 215887^2 + 62557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82346 + ... + 328362.

Almost surely, 2^50520575018 is an apocalyptic number.

50520575018 is a deficient number, since it is larger than the sum of its proper divisors (25261333594).

50520575018 is a wasteful number, since it uses less digits than its factorization.

50520575018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348696.

The product of its (nonzero) digits is 70000, while the sum is 38.

The spelling of 50520575018 in words is "fifty billion, five hundred twenty million, five hundred seventy-five thousand, eighteen".