49993844 has 6 divisors (see below), whose sum is σ = 87489234. Its totient is φ = 24996920.

The previous prime is 49993843. The next prime is 49993849. The reversal of 49993844 is 44839994.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 2521744 = 6890^2 + 1588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49993792 and 49993801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49993843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249227 + ... + 6249234.

It is an arithmetic number, because the mean of its divisors is an integer number (14581539).

Almost surely, 2^49993844 is an apocalyptic number.

It is an amenable number.

49993844 is a deficient number, since it is larger than the sum of its proper divisors (37495390).

49993844 is a wasteful number, since it uses less digits than its factorization.

49993844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498465 (or 12498463 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 49993844 is about 7070.6325035318. The cubic root of 49993844 is about 368.3880299782.

The spelling of 49993844 in words is "forty-nine million, nine hundred ninety-three thousand, eight hundred forty-four".