53253265 has 16 divisors (see below), whose sum is σ = 72869328. Its totient is φ = 37011456.

The previous prime is 53253253. The next prime is 53253271. The reversal of 53253265 is 56235235.

It can be written as a sum of positive squares in 8 ways, for example, as 7056 + 53246209 = 84^2 + 7297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53253265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22992 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (4554333).

Almost surely, 2^53253265 is an apocalyptic number.

It is an amenable number.

53253265 is a deficient number, since it is larger than the sum of its proper divisors (19616063).

53253265 is a wasteful number, since it uses less digits than its factorization.

53253265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48228.

The product of its digits is 27000, while the sum is 31.

The square root of 53253265 is about 7297.4834703478. The cubic root of 53253265 is about 376.2259492432.

The spelling of 53253265 in words is "fifty-three million, two hundred fifty-three thousand, two hundred sixty-five".