49172 has 12 divisors (see below), whose sum is σ = 90720. Its totient is φ = 23256.

The previous prime is 49171. The next prime is 49177. The reversal of 49172 is 27194.

It is a plaindrome in base 12.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49171) 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, 248 + ... + 399.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁴⁹¹⁷² is an apocalyptic number.

It is an amenable number.

49172 is a deficient number, since it is larger than the sum of its proper divisors (41548).

49172 is a wasteful number, since it uses less digits than its factorization.

49172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 49172 is about 221.7476042712. The cubic root of 49172 is about 36.6358234658.

The spelling of 49172 in words is "forty-nine thousand, one hundred seventy-two".