50149172 has 12 divisors (see below), whose sum is σ = 87820740. Its totient is φ = 25057536.

The previous prime is 50149157. The next prime is 50149193. The reversal of 50149172 is 27194105.

It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 40883236 = 3044^2 + 6394^2 .

It is a congruent number.

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, 4238 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (7318395).

Almost surely, 2^50149172 is an apocalyptic number.

It is an amenable number.

50149172 is a deficient number, since it is larger than the sum of its proper divisors (37671568).

50149172 is a wasteful number, since it uses less digits than its factorization.

50149172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 50149172 is about 7081.6080094849. The cubic root of 50149172 is about 368.7691556840.

The spelling of 50149172 in words is "fifty million, one hundred forty-nine thousand, one hundred seventy-two".