53688252 has 24 divisors (see below), whose sum is σ = 128187136. Its totient is φ = 17479728.

The previous prime is 53688211. The next prime is 53688259. The reversal of 53688252 is 25288635.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53688252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53688259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51508 + ... + 52539.

Almost surely, 2^53688252 is an apocalyptic number.

It is an amenable number.

53688252 is an abundant number, since it is smaller than the sum of its proper divisors (74498884).

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

53688252 is a wasteful number, since it uses less digits than its factorization.

53688252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104097 (or 104095 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 53688252 is about 7327.2267605145. The cubic root of 53688252 is about 377.2475443182.

It can be divided in two parts, 536 and 88252, that added together give a palindrome (88788).

The spelling of 53688252 in words is "fifty-three million, six hundred eighty-eight thousand, two hundred fifty-two".