49443828 has 48 divisors (see below), whose sum is σ = 133042560. Its totient is φ = 13999104.

The previous prime is 49443799. The next prime is 49443883. The reversal of 49443828 is 82834494.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 49443828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6888 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (2771720).

Almost surely, 2^49443828 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 49443828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66521280).

49443828 is an abundant number, since it is smaller than the sum of its proper divisors (83598732).

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

49443828 is a wasteful number, since it uses less digits than its factorization.

49443828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5334 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 49443828 is about 7031.6305363692. The cubic root of 49443828 is about 367.0320834581.

The spelling of 49443828 in words is "forty-nine million, four hundred forty-three thousand, eight hundred twenty-eight".