52543680 has 168 divisors, whose sum is σ = 194236848. Its totient is φ = 11999232.

The previous prime is 52543669. The next prime is 52543703. The reversal of 52543680 is 8634525.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46482 + ... + 47598.

Almost surely, 2^52543680 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 52543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97118424).

52543680 is an abundant number, since it is smaller than the sum of its proper divisors (141693168).

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

52543680 is a wasteful number, since it uses less digits than its factorization.

52543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 52543680 is about 7248.7019527637. The cubic root of 52543680 is about 374.5474362715.

The spelling of 52543680 in words is "fifty-two million, five hundred forty-three thousand, six hundred eighty".