49999944 has 96 divisors (see below), whose sum is σ = 137160000. Its totient is φ = 15168384.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999944 is 44999994.

49999944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 23 ways as a sum of consecutive naturals, for example, 251157 + ... + 251355.

It is an arithmetic number, because the mean of its divisors is an integer number (1428750).

Almost surely, 2^49999944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68580000).

49999944 is an abundant number, since it is smaller than the sum of its proper divisors (87160056).

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

49999944 is a wasteful number, since it uses less digits than its factorization.

49999944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 252 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The square root of 49999944 is about 7071.0638520664. The cubic root of 49999944 is about 368.4030123268.

The spelling of 49999944 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred forty-four".