53308344 has 64 divisors (see below), whose sum is σ = 138839040. Its totient is φ = 17038080.

The previous prime is 53308309. The next prime is 53308369. The reversal of 53308344 is 44380335.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 101667 + ... + 102189.

It is an arithmetic number, because the mean of its divisors is an integer number (2169360).

Almost surely, 2^53308344 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 53308344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69419520).

53308344 is an abundant number, since it is smaller than the sum of its proper divisors (85530696).

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

53308344 is a wasteful number, since it uses less digits than its factorization.

53308344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 53308344 is about 7301.2563302489. The cubic root of 53308344 is about 376.3556127105.

Adding to 53308344 its reverse (44380335), we get a palindrome (97688679).

The spelling of 53308344 in words is "fifty-three million, three hundred eight thousand, three hundred forty-four".