49531944 has 128 divisors (see below), whose sum is σ = 157824000. Its totient is φ = 12841920.

The previous prime is 49531927. The next prime is 49531967. The reversal of 49531944 is 44913594.

49531944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 90279 + ... + 90825.

It is an arithmetic number, because the mean of its divisors is an integer number (1233000).

Almost surely, 2^49531944 is an apocalyptic number.

49531944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49531944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78912000).

49531944 is an abundant number, since it is smaller than the sum of its proper divisors (108292056).

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

49531944 is a wasteful number, since it uses less digits than its factorization.

49531944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 570 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 49531944 is about 7037.8934348284. The cubic root of 49531944 is about 367.2499886853.

The spelling of 49531944 in words is "forty-nine million, five hundred thirty-one thousand, nine hundred forty-four".