49994172 has 30 divisors (see below), whose sum is σ = 130695488. Its totient is φ = 16664616.

The previous prime is 49994167. The next prime is 49994201. The reversal of 49994172 is 27149994.

It is a happy number.

49994172 is a `hidden beast` number, since 499 + 94 + 1 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76828 + ... + 77475.

Almost surely, 2^49994172 is an apocalyptic number.

It is an amenable number.

49994172 is an abundant number, since it is smaller than the sum of its proper divisors (80701316).

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

49994172 is a wasteful number, since it uses less digits than its factorization.

49994172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154319 (or 154308 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 49994172 is about 7070.6556980241. The cubic root of 49994172 is about 368.3888356175.

The spelling of 49994172 in words is "forty-nine million, nine hundred ninety-four thousand, one hundred seventy-two".