49791018 has 16 divisors (see below), whose sum is σ = 99668736. Its totient is φ = 16582560.

The previous prime is 49791017. The next prime is 49791029. The reversal of 49791018 is 81019794.

It is a happy number.

49791018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49791013) 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, 5703 + ... + 11493.

It is an arithmetic number, because the mean of its divisors is an integer number (6229296).

Almost surely, 2^49791018 is an apocalyptic number.

49791018 is an abundant number, since it is smaller than the sum of its proper divisors (49877718).

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

49791018 is a wasteful number, since it uses less digits than its factorization.

49791018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 49791018 is about 7056.2750796720. The cubic root of 49791018 is about 367.8891689320.

The spelling of 49791018 in words is "forty-nine million, seven hundred ninety-one thousand, eighteen".