53253320 has 16 divisors (see below), whose sum is σ = 119820060. Its totient is φ = 21301312.

The previous prime is 53253313. The next prime is 53253329. The reversal of 53253320 is 2335235.

It can be written as a sum of positive squares in 2 ways, for example, as 44970436 + 8282884 = 6706^2 + 2878^2 .

It is not an unprimeable number, because it can be changed into a prime (53253329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665627 + ... + 665706.

Almost surely, 2^53253320 is an apocalyptic number.

It is an amenable number.

53253320 is an abundant number, since it is smaller than the sum of its proper divisors (66566740).

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

53253320 is a wasteful number, since it uses less digits than its factorization.

53253320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331344 (or 1331340 counting only the distinct ones).

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

The square root of 53253320 is about 7297.4872387692. The cubic root of 53253320 is about 376.2260787653.

Adding to 53253320 its reverse (2335235), we get a palindrome (55588555).

The spelling of 53253320 in words is "fifty-three million, two hundred fifty-three thousand, three hundred twenty".