52812868589 has 18 divisors (see below), whose sum is σ = 57786968106. Its totient is φ = 48240223200.

The previous prime is 52812868583. The next prime is 52812868631. The reversal of 52812868589 is 98586821825.

It can be written as a sum of positive squares in 3 ways, for example, as 4467852964 + 48345015625 = 66842^2 + 219875^2 .

It is not a de Polignac number, because 52812868589 - 2⁴ = 52812868573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52812868583) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30023492 + ... + 30025250.

It is an arithmetic number, because the mean of its divisors is an integer number (3210387117).

Almost surely, 2^52812868589 is an apocalyptic number.

It is an amenable number.

52812868589 is a deficient number, since it is larger than the sum of its proper divisors (4974099517).

52812868589 is an equidigital number, since it uses as much as digits as its factorization.

52812868589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 1873 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 62.

The spelling of 52812868589 in words is "fifty-two billion, eight hundred twelve million, eight hundred sixty-eight thousand, five hundred eighty-nine".