53397344 has 96 divisors (see below), whose sum is σ = 141232896. Its totient is φ = 19192320.

The previous prime is 53397319. The next prime is 53397367. The reversal of 53397344 is 44379335.

53397344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53397298 and 53397307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31199 + ... + 32865.

It is an arithmetic number, because the mean of its divisors is an integer number (1471176).

Almost surely, 2^53397344 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 53397344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70616448).

53397344 is an abundant number, since it is smaller than the sum of its proper divisors (87835552).

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

53397344 is a wasteful number, since it uses less digits than its factorization.

53397344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1700 counting only the distinct ones).

The product of its digits is 136080, while the sum is 38.

The square root of 53397344 is about 7307.3486299752. The cubic root of 53397344 is about 376.5649422051.

Subtracting from 53397344 its reverse (44379335), we obtain a square (9018009 = 3003²).

The spelling of 53397344 in words is "fifty-three million, three hundred ninety-seven thousand, three hundred forty-four".