52543116 has 18 divisors (see below), whose sum is σ = 132817412. Its totient is φ = 17514360.

The previous prime is 52543111. The next prime is 52543121. The reversal of 52543116 is 61134525.

52543116 is a `hidden beast` number, since 5 + 2 + 543 + 116 = 666.

52543116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52543111) and next prime (52543121).

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 52543116.

It is not an unprimeable number, because it can be changed into a prime (52543111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729730 + ... + 729801.

Almost surely, 2^52543116 is an apocalyptic number.

It is an amenable number.

52543116 is an abundant number, since it is smaller than the sum of its proper divisors (80274296).

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

52543116 is a wasteful number, since it uses less digits than its factorization.

52543116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459541 (or 1459536 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 52543116 is about 7248.6630491422. The cubic root of 52543116 is about 374.5460961451.

The spelling of 52543116 in words is "fifty-two million, five hundred forty-three thousand, one hundred sixteen".