53235252 has 96 divisors (see below), whose sum is σ = 160240640. Its totient is φ = 14968800.

The previous prime is 53235233. The next prime is 53235253. The reversal of 53235252 is 25253235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53235253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50127 + ... + 51177.

Almost surely, 2^53235252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53235252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80120320).

53235252 is an abundant number, since it is smaller than the sum of its proper divisors (107005388).

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

53235252 is a wasteful number, since it uses less digits than its factorization.

53235252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1130 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 53235252 is about 7296.2491733767. The cubic root of 53235252 is about 376.1835247879.

Adding to 53235252 its reverse (25253235), we get a palindrome (78488487).

The spelling of 53235252 in words is "fifty-three million, two hundred thirty-five thousand, two hundred fifty-two".