49891044 has 48 divisors (see below), whose sum is σ = 134288000. Its totient is φ = 14121216.

The previous prime is 49891043. The next prime is 49891063. The reversal of 49891044 is 44019894.

It is a junction number, because it is equal to n+sod(n) for n = 49890993 and 49891011.

It is not an unprimeable number, because it can be changed into a prime (49891043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6432 + ... + 11880.

Almost surely, 2^49891044 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 49891044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67144000).

49891044 is an abundant number, since it is smaller than the sum of its proper divisors (84396956).

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

49891044 is a wasteful number, since it uses less digits than its factorization.

49891044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 49891044 is about 7063.3592574638. The cubic root of 49891044 is about 368.1353570282.

The spelling of 49891044 in words is "forty-nine million, eight hundred ninety-one thousand, forty-four".