53202320 has 20 divisors (see below), whose sum is σ = 123695580. Its totient is φ = 21280896.

The previous prime is 53202319. The next prime is 53202343. The reversal of 53202320 is 2320235.

53202320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 37552384 = 3956^2 + 6128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 332435 + ... + 332594.

It is an arithmetic number, because the mean of its divisors is an integer number (6184779).

Almost surely, 2^53202320 is an apocalyptic number.

It is an amenable number.

53202320 is an abundant number, since it is smaller than the sum of its proper divisors (70493260).

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

53202320 is a wasteful number, since it uses less digits than its factorization.

53202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665042 (or 665036 counting only the distinct ones).

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

The square root of 53202320 is about 7293.9920482545. The cubic root of 53202320 is about 376.1059381587.

Adding to 53202320 its reverse (2320235), we get a palindrome (55522555).

The spelling of 53202320 in words is "fifty-three million, two hundred two thousand, three hundred twenty".