49818918 has 16 divisors (see below), whose sum is σ = 99809280. Its totient is φ = 16577736.

The previous prime is 49818913. The next prime is 49818947. The reversal of 49818918 is 81981894.

49818918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49818911) 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 7 ways as a sum of consecutive naturals, for example, 3198 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (6238080).

Almost surely, 2^49818918 is an apocalyptic number.

49818918 is an abundant number, since it is smaller than the sum of its proper divisors (49990362).

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

49818918 is a wasteful number, since it uses less digits than its factorization.

49818918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291.

The product of its digits is 165888, while the sum is 48.

The square root of 49818918 is about 7058.2517665496. The cubic root of 49818918 is about 367.9578706891.

The spelling of 49818918 in words is "forty-nine million, eight hundred eighteen thousand, nine hundred eighteen".