53305252 has 48 divisors (see below), whose sum is σ = 125258112. Its totient is φ = 19169280.

The previous prime is 53305247. The next prime is 53305253. The reversal of 53305252 is 25250335.

It is not an unprimeable number, because it can be changed into a prime (53305253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (2609544).

Almost surely, 2^53305252 is an apocalyptic number.

53305252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53305252 is an abundant number, since it is smaller than the sum of its proper divisors (71952860).

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

53305252 is a wasteful number, since it uses less digits than its factorization.

53305252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13346 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53305252 is about 7301.0445827977. The cubic root of 53305252 is about 376.3483360882.

Adding to 53305252 its reverse (25250335), we get a palindrome (78555587).

The spelling of 53305252 in words is "fifty-three million, three hundred five thousand, two hundred fifty-two".