52543012 has 12 divisors (see below), whose sum is σ = 95121180. Its totient is φ = 25365536.

The previous prime is 52542953. The next prime is 52543013. The reversal of 52543012 is 21034525.

It can be written as a sum of positive squares in 2 ways, for example, as 20575296 + 31967716 = 4536^2 + 5654^2 .

It is a super-2 number, since 2×52543012² = 5521536220064288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52543013) 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, 226363 + ... + 226594.

It is an arithmetic number, because the mean of its divisors is an integer number (7926765).

Almost surely, 2^52543012 is an apocalyptic number.

It is an amenable number.

52543012 is a deficient number, since it is larger than the sum of its proper divisors (42578168).

52543012 is a wasteful number, since it uses less digits than its factorization.

52543012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452990 (or 452988 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52543012 is about 7248.6558754020. The cubic root of 52543012 is about 374.5458490286.

Adding to 52543012 its reverse (21034525), we get a palindrome (73577537).

The spelling of 52543012 in words is "fifty-two million, five hundred forty-three thousand, twelve".