49861844 has 18 divisors (see below), whose sum is σ = 88787034. Its totient is φ = 24501520.

The previous prime is 49861841. The next prime is 49861849. The reversal of 49861844 is 44816894.

It can be written as a sum of positive squares in only one way, i.e., 48469444 + 1392400 = 6962^2 + 1180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49861795 and 49861804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49861841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12134 + ... + 15714.

It is an arithmetic number, because the mean of its divisors is an integer number (4932613).

Almost surely, 2^49861844 is an apocalyptic number.

It is an amenable number.

49861844 is a deficient number, since it is larger than the sum of its proper divisors (38925190).

49861844 is a wasteful number, since it uses less digits than its factorization.

49861844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703 (or 3642 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 49861844 is about 7061.2919497780. The cubic root of 49861844 is about 368.0635228245.

It can be divided in two parts, 49861 and 844, that added together give a palindrome (50705).

The spelling of 49861844 in words is "forty-nine million, eight hundred sixty-one thousand, eight hundred forty-four".