49858172 has 24 divisors (see below), whose sum is σ = 107387616. Its totient is φ = 19723968.

The previous prime is 49858157. The next prime is 49858177. The reversal of 49858172 is 27185894.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49858177) 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, 68123 + ... + 68850.

It is an arithmetic number, because the mean of its divisors is an integer number (4474484).

Almost surely, 2^49858172 is an apocalyptic number.

It is an amenable number.

49858172 is an abundant number, since it is smaller than the sum of its proper divisors (57529444).

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

49858172 is a wasteful number, since it uses less digits than its factorization.

49858172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136997 (or 136995 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 49858172 is about 7061.0319359142. The cubic root of 49858172 is about 368.0544874424.

The spelling of 49858172 in words is "forty-nine million, eight hundred fifty-eight thousand, one hundred seventy-two".