53004320 has 24 divisors (see below), whose sum is σ = 125223084. Its totient is φ = 21201664.

The previous prime is 53004311. The next prime is 53004401. The reversal of 53004320 is 2340035.

It can be written as a sum of positive squares in 2 ways, for example, as 51897616 + 1106704 = 7204^2 + 1052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165479 + ... + 165798.

Almost surely, 2^53004320 is an apocalyptic number.

It is an amenable number.

53004320 is an abundant number, since it is smaller than the sum of its proper divisors (72218764).

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

53004320 is a wasteful number, since it uses less digits than its factorization.

53004320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331292 (or 331284 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53004320 is about 7280.4065820530. The cubic root of 53004320 is about 375.6387809024.

Adding to 53004320 its reverse (2340035), we get a palindrome (55344355).

The spelling of 53004320 in words is "fifty-three million, four thousand, three hundred twenty".