49491224 has 16 divisors (see below), whose sum is σ = 92875200. Its totient is φ = 24724512.

The previous prime is 49491217. The next prime is 49491229. The reversal of 49491224 is 42219494.

It is a happy number.

49491224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 7035²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49491229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12314 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (5804700).

Almost surely, 2^49491224 is an apocalyptic number.

It is an amenable number.

49491224 is a deficient number, since it is larger than the sum of its proper divisors (43383976).

49491224 is a wasteful number, since it uses less digits than its factorization.

49491224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282 (or 5278 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 49491224 is about 7034.9999289268. Note that the first 4 decimals coincide. The cubic root of 49491224 is about 367.1493228779.

The spelling of 49491224 in words is "forty-nine million, four hundred ninety-one thousand, two hundred twenty-four".