50091172 has 12 divisors (see below), whose sum is σ = 87865036. Its totient is φ = 24986880.

The previous prime is 50091157. The next prime is 50091179. The reversal of 50091172 is 27119005.

50091172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20214016 + 29877156 = 4496^2 + 5466^2 .

It is not an unprimeable number, because it can be changed into a prime (50091179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12729 + ... + 16192.

Almost surely, 2^50091172 is an apocalyptic number.

It is an amenable number.

50091172 is a deficient number, since it is larger than the sum of its proper divisors (37773864).

50091172 is a wasteful number, since it uses less digits than its factorization.

50091172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358 (or 29356 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 50091172 is about 7077.5117096335. The cubic root of 50091172 is about 368.6269342465.

The spelling of 50091172 in words is "fifty million, ninety-one thousand, one hundred seventy-two".