49111888 has 20 divisors (see below), whose sum is σ = 108748000. Its totient is φ = 21047904.

The previous prime is 49111873. The next prime is 49111927. The reversal of 49111888 is 88811194.

49111888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49111888.

It is a congruent number.

It is an unprimeable number.

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, 219138 + ... + 219361.

It is an arithmetic number, because the mean of its divisors is an integer number (5437400).

Almost surely, 2^49111888 is an apocalyptic number.

It is an amenable number.

49111888 is an abundant number, since it is smaller than the sum of its proper divisors (59636112).

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

49111888 is a wasteful number, since it uses less digits than its factorization.

49111888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438514 (or 438508 counting only the distinct ones).

The product of its digits is 18432, while the sum is 40.

The square root of 49111888 is about 7007.9874429111. The cubic root of 49111888 is about 366.2088847135.

The spelling of 49111888 in words is "forty-nine million, one hundred eleven thousand, eight hundred eighty-eight".