49538172 has 12 divisors (see below), whose sum is σ = 115589096. Its totient is φ = 16512720.

The previous prime is 49538171. The next prime is 49538173. The reversal of 49538172 is 27183594.

It is an interprime number because it is at equal distance from previous prime (49538171) and next prime (49538173).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 49538172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49538171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064079 + ... + 2064102.

Almost surely, 2^49538172 is an apocalyptic number.

It is an amenable number.

49538172 is an abundant number, since it is smaller than the sum of its proper divisors (66050924).

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

49538172 is a wasteful number, since it uses less digits than its factorization.

49538172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128188 (or 4128186 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 49538172 is about 7038.3358828632. The cubic root of 49538172 is about 367.2653803490.

The spelling of 49538172 in words is "forty-nine million, five hundred thirty-eight thousand, one hundred seventy-two".