50180928121 has 3 divisors (see below), whose sum is σ = 50181152133. Its totient is φ = 50180704110.

The previous prime is 50180928113. The next prime is 50180928163. The reversal of 50180928121 is 12182908105.

The square root of 50180928121 is 224011.

It is a perfect power (a square), and thus also a powerful number.

50180928121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 50180928121 - 2³ = 50180928113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50180928191) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112006 + ... + 336016.

It is an arithmetic number, because the mean of its divisors is an integer number (16727050711).

Almost surely, 2^50180928121 is an apocalyptic number.

50180928121 is the 224011-st square number.

50180928121 is the 112006-th centered octagonal number.

It is an amenable number.

50180928121 is a deficient number, since it is larger than the sum of its proper divisors (224012).

50180928121 is an frugal number, since it uses more digits than its factorization.

50180928121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448022 (or 224011 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The spelling of 50180928121 in words is "fifty billion, one hundred eighty million, nine hundred twenty-eight thousand, one hundred twenty-one".