49447584 has 72 divisors (see below), whose sum is σ = 145847520. Its totient is φ = 16479936.

The previous prime is 49447579. The next prime is 49447597. The reversal of 49447584 is 48574494.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4597 + ... + 10955.

It is an arithmetic number, because the mean of its divisors is an integer number (2025660).

Almost surely, 2^49447584 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 49447584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72923760).

49447584 is an abundant number, since it is smaller than the sum of its proper divisors (96399936).

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

49447584 is an equidigital number, since it uses as much as digits as its factorization.

49447584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6364 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 49447584 is about 7031.8976101761. The cubic root of 49447584 is about 367.0413770858.

The spelling of 49447584 in words is "forty-nine million, four hundred forty-seven thousand, five hundred eighty-four".