49639228 has 12 divisors (see below), whose sum is σ = 88165672. Its totient is φ = 24449040.

The previous prime is 49639223. The next prime is 49639273. The reversal of 49639228 is 82293694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49639223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92343 + ... + 92878.

Almost surely, 2^49639228 is an apocalyptic number.

It is an amenable number.

49639228 is a deficient number, since it is larger than the sum of its proper divisors (38526444).

49639228 is a wasteful number, since it uses less digits than its factorization.

49639228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185292 (or 185290 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 49639228 is about 7045.5111950802. The cubic root of 49639228 is about 367.5149465592.

The spelling of 49639228 in words is "forty-nine million, six hundred thirty-nine thousand, two hundred twenty-eight".