49879944 has 96 divisors (see below), whose sum is σ = 141162840. Its totient is φ = 15897600.

The previous prime is 49879937. The next prime is 49879967. The reversal of 49879944 is 44997894.

It is a happy number.

49879944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8122500 + 41757444 = 2850^2 + 6462^2 .

Its product of digits (2612736) is a multiple of the sum of its prime divisors (384).

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 23 ways as a sum of consecutive naturals, for example, 179934 + ... + 180210.

Almost surely, 2^49879944 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 49879944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70581420).

49879944 is an abundant number, since it is smaller than the sum of its proper divisors (91282896).

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

49879944 is a wasteful number, since it uses less digits than its factorization.

49879944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 49879944 is about 7062.5734686444. The cubic root of 49879944 is about 368.1080534935.

The spelling of 49879944 in words is "forty-nine million, eight hundred seventy-nine thousand, nine hundred forty-four".