50187172 has 18 divisors (see below), whose sum is σ = 102167142. Its totient is φ = 21508704.

The previous prime is 50187169. The next prime is 50187187. The reversal of 50187172 is 27178105.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48804196 + 1382976 = 6986^2 + 1176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127833 + ... + 128224.

Almost surely, 2^50187172 is an apocalyptic number.

It is an amenable number.

50187172 is an abundant number, since it is smaller than the sum of its proper divisors (51979970).

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

50187172 is a wasteful number, since it uses less digits than its factorization.

50187172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256075 (or 256066 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 50187172 is about 7084.2905078773. The cubic root of 50187172 is about 368.8622757987.

The spelling of 50187172 in words is "fifty million, one hundred eighty-seven thousand, one hundred seventy-two".