53236253 has 4 divisors (see below), whose sum is σ = 60841440. Its totient is φ = 45631068.

The previous prime is 53236243. The next prime is 53236273. The reversal of 53236253 is 35263235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53236253 - 2²⁴ = 36459037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53236223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802583 + ... + 3802596.

It is an arithmetic number, because the mean of its divisors is an integer number (15210360).

Almost surely, 2^53236253 is an apocalyptic number.

It is an amenable number.

53236253 is a deficient number, since it is larger than the sum of its proper divisors (7605187).

53236253 is an equidigital number, since it uses as much as digits as its factorization.

53236253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605186.

The product of its digits is 16200, while the sum is 29.

The square root of 53236253 is about 7296.3177699440. The cubic root of 53236253 is about 376.1858826075.

Adding to 53236253 its reverse (35263235), we get a palindrome (88499488).

The spelling of 53236253 in words is "fifty-three million, two hundred thirty-six thousand, two hundred fifty-three".