53663253 has 16 divisors (see below), whose sum is σ = 84593280. Its totient is φ = 29606976.

The previous prime is 53663251. The next prime is 53663261. The reversal of 53663253 is 35236635.

53663253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53663253 - 2¹ = 53663251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53663251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43450 + ... + 44667.

It is an arithmetic number, because the mean of its divisors is an integer number (5287080).

Almost surely, 2^53663253 is an apocalyptic number.

It is an amenable number.

53663253 is a deficient number, since it is larger than the sum of its proper divisors (30930027).

53663253 is a wasteful number, since it uses less digits than its factorization.

53663253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88156.

The product of its digits is 48600, while the sum is 33.

The square root of 53663253 is about 7325.5206640893. The cubic root of 53663253 is about 377.1889823103.

Adding to 53663253 its reverse (35236635), we get a palindrome (88899888).

The spelling of 53663253 in words is "fifty-three million, six hundred sixty-three thousand, two hundred fifty-three".