52744812866 has 8 divisors (see below), whose sum is σ = 79180567500. Its totient is φ = 26351290368.

The previous prime is 52744812817. The next prime is 52744812893. The reversal of 52744812866 is 66821844725.

It can be written as a sum of positive squares in 2 ways, for example, as 48783998641 + 3960814225 = 220871^2 + 62935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10554911 + ... + 10559906.

Almost surely, 2^52744812866 is an apocalyptic number.

52744812866 is a deficient number, since it is larger than the sum of its proper divisors (26435754634).

52744812866 is a wasteful number, since it uses less digits than its factorization.

52744812866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21116068.

The product of its digits is 5160960, while the sum is 53.

The spelling of 52744812866 in words is "fifty-two billion, seven hundred forty-four million, eight hundred twelve thousand, eight hundred sixty-six".