53289344 has 48 divisors (see below), whose sum is σ = 111119820. Its totient is φ = 25453824.

The previous prime is 53289311. The next prime is 53289347. The reversal of 53289344 is 44398235.

It is a junction number, because it is equal to n+sod(n) for n = 53289298 and 53289307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53289347) 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, 67319 + ... + 68105.

Almost surely, 2^53289344 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 53289344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55559910).

53289344 is an abundant number, since it is smaller than the sum of its proper divisors (57830476).

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

53289344 is an equidigital number, since it uses as much as digits as its factorization.

53289344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 812 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 53289344 is about 7299.9550683549. The cubic root of 53289344 is about 376.3108942179.

The spelling of 53289344 in words is "fifty-three million, two hundred eighty-nine thousand, three hundred forty-four".