53520252 has 48 divisors (see below), whose sum is σ = 128847264. Its totient is φ = 17280000.

The previous prime is 53520227. The next prime is 53520253. The reversal of 53520252 is 25202535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520253) 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, 88752 + ... + 89352.

It is an arithmetic number, because the mean of its divisors is an integer number (2684318).

Almost surely, 2^53520252 is an apocalyptic number.

It is an amenable number.

53520252 is an abundant number, since it is smaller than the sum of its proper divisors (75327012).

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

53520252 is a wasteful number, since it uses less digits than its factorization.

53520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53520252 is about 7315.7536863949. The cubic root of 53520252 is about 376.8536418238.

Adding to 53520252 its reverse (25202535), we get a palindrome (78722787).

The spelling of 53520252 in words is "fifty-three million, five hundred twenty thousand, two hundred fifty-two".