52543488 has 60 divisors (see below), whose sum is σ = 140242760. Its totient is φ = 17498112.

The previous prime is 52543459. The next prime is 52543489. The reversal of 52543488 is 88434525.

It is a super-2 number, since 2×52543488² = 5521636262412288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543489) 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, 48618 + ... + 49686.

Almost surely, 2^52543488 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 52543488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70121380).

52543488 is an abundant number, since it is smaller than the sum of its proper divisors (87699272).

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

52543488 is an equidigital number, since it uses as much as digits as its factorization.

52543488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1074 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 52543488 is about 7248.6887090011. The cubic root of 52543488 is about 374.5469800593.

The spelling of 52543488 in words is "fifty-two million, five hundred forty-three thousand, four hundred eighty-eight".