53384448 has 72 divisors (see below), whose sum is σ = 153038368. Its totient is φ = 16422912.

The previous prime is 53384431. The next prime is 53384473. The reversal of 53384448 is 84448335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7311 + ... + 12657.

Almost surely, 2^53384448 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 53384448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76519184).

53384448 is an abundant number, since it is smaller than the sum of its proper divisors (99653920).

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

53384448 is a wasteful number, since it uses less digits than its factorization.

53384448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379 (or 5365 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 53384448 is about 7306.4661772980. The cubic root of 53384448 is about 376.5346250137.

The spelling of 53384448 in words is "fifty-three million, three hundred eighty-four thousand, four hundred forty-eight".