52543620 has 48 divisors (see below), whose sum is σ = 163470720. Its totient is φ = 14011488.

The previous prime is 52543619. The next prime is 52543633. The reversal of 52543620 is 2634525.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48112 + ... + 49191.

It is an arithmetic number, because the mean of its divisors is an integer number (3405640).

Almost surely, 2^52543620 is an apocalyptic number.

It is an amenable number.

52543620 is an abundant number, since it is smaller than the sum of its proper divisors (110927100).

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

52543620 is a wasteful number, since it uses less digits than its factorization.

52543620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97321 (or 97313 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52543620 is about 7248.6978140905. The cubic root of 52543620 is about 374.5472937053.

The spelling of 52543620 in words is "fifty-two million, five hundred forty-three thousand, six hundred twenty".