53135453 has 24 divisors (see below), whose sum is σ = 65096280. Its totient is φ = 43182720.

The previous prime is 53135449. The next prime is 53135471. The reversal of 53135453 is 35453135.

53135453 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 4 ways, for example, as 3545689 + 49589764 = 1883^2 + 7042^2 .

It is not a de Polignac number, because 53135453 - 2² = 53135449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53135413) 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 23 ways as a sum of consecutive naturals, for example, 86375 + ... + 86987.

It is an arithmetic number, because the mean of its divisors is an integer number (2712345).

Almost surely, 2^53135453 is an apocalyptic number.

It is an amenable number.

53135453 is a deficient number, since it is larger than the sum of its proper divisors (11960827).

53135453 is a wasteful number, since it uses less digits than its factorization.

53135453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 710 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 53135453 is about 7289.4069031712. The cubic root of 53135453 is about 375.9483033082.

Adding to 53135453 its reverse (35453135), we get a palindrome (88588588).

The spelling of 53135453 in words is "fifty-three million, one hundred thirty-five thousand, four hundred fifty-three".