49931144 has 16 divisors (see below), whose sum is σ = 93891420. Its totient is φ = 24893440.

The previous prime is 49931143. The next prime is 49931149. The reversal of 49931144 is 44113994.

It can be written as a sum of positive squares in 2 ways, for example, as 48580900 + 1350244 = 6970^2 + 1162^2 .

It is a super-2 number, since 2×49931144² = 4986238282297472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49931143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6017 + ... + 11664.

Almost surely, 2^49931144 is an apocalyptic number.

It is an amenable number.

49931144 is a deficient number, since it is larger than the sum of its proper divisors (43960276).

49931144 is a wasteful number, since it uses less digits than its factorization.

49931144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18040 (or 18036 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 49931144 is about 7066.1972800085. The cubic root of 49931144 is about 368.2339603936.

The spelling of 49931144 in words is "forty-nine million, nine hundred thirty-one thousand, one hundred forty-four".