49919188 has 24 divisors (see below), whose sum is σ = 96455520. Its totient is φ = 22415520.

The previous prime is 49919171. The next prime is 49919189. The reversal of 49919188 is 88191994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49919189) 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, 3183 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (4018980).

Almost surely, 2^49919188 is an apocalyptic number.

It is an amenable number.

49919188 is a deficient number, since it is larger than the sum of its proper divisors (46536332).

49919188 is a wasteful number, since it uses less digits than its factorization.

49919188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767 (or 13765 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The square root of 49919188 is about 7065.3512297691. The cubic root of 49919188 is about 368.2045668707.

The spelling of 49919188 in words is "forty-nine million, nine hundred nineteen thousand, one hundred eighty-eight".