53305304 has 48 divisors (see below), whose sum is σ = 109690200. Its totient is φ = 24271104.

The previous prime is 53305253. The next prime is 53305313. The reversal of 53305304 is 40350335.

It is a self number, because there is not a number n which added to its sum of digits gives 53305304.

It is a congruent number.

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, 120107 + ... + 120549.

Almost surely, 2^53305304 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 53305304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54845100).

53305304 is an abundant number, since it is smaller than the sum of its proper divisors (56384896).

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

53305304 is a wasteful number, since it uses less digits than its factorization.

53305304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53305304 is about 7301.0481439311. The cubic root of 53305304 is about 376.3484584658.

Adding to 53305304 its reverse (40350335), we get a palindrome (93655639).

The spelling of 53305304 in words is "fifty-three million, three hundred five thousand, three hundred four".