50172930 has 48 divisors (see below), whose sum is σ = 133641144. Its totient is φ = 13052160.

The previous prime is 50172887. The next prime is 50172989. The reversal of 50172930 is 3927105.

50172930 is a `hidden beast` number, since 501 + 72 + 93 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15280281 + 34892649 = 3909^2 + 5907^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50172894 and 50172903.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3109 + ... + 10488.

Almost surely, 2^50172930 is an apocalyptic number.

50172930 is an abundant number, since it is smaller than the sum of its proper divisors (83468214).

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

50172930 is a wasteful number, since it uses less digits than its factorization.

50172930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13651 (or 13648 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 50172930 is about 7083.2852547388. The cubic root of 50172930 is about 368.8273808689.

The spelling of 50172930 in words is "fifty million, one hundred seventy-two thousand, nine hundred thirty".