49438172 has 24 divisors (see below), whose sum is σ = 100982784. Its totient is φ = 20736432.

The previous prime is 49438153. The next prime is 49438177. The reversal of 49438172 is 27183494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49438177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17468 + ... + 20099.

It is an arithmetic number, because the mean of its divisors is an integer number (4207616).

Almost surely, 2^49438172 is an apocalyptic number.

It is an amenable number.

49438172 is an abundant number, since it is smaller than the sum of its proper divisors (51544612).

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

49438172 is a wasteful number, since it uses less digits than its factorization.

49438172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37625 (or 37623 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 49438172 is about 7031.2283421889. The cubic root of 49438172 is about 367.0180876928.

The spelling of 49438172 in words is "forty-nine million, four hundred thirty-eight thousand, one hundred seventy-two".