52318785289 has 3 divisors (see below), whose sum is σ = 52319014023. Its totient is φ = 52318556556.

The previous prime is 52318785271. The next prime is 52318785341. The reversal of 52318785289 is 98258781325.

The square root of 52318785289 is 228733.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3252991225 + 49065794064 = 57035^2 + 221508^2 .

It is not a de Polignac number, because 52318785289 - 2⁷ = 52318785161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52318785689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 114367 + ... + 343099.

It is an arithmetic number, because the mean of its divisors is an integer number (17439671341).

Almost surely, 2^52318785289 is an apocalyptic number.

52318785289 is the 228733-rd square number.

52318785289 is the 114367-th centered octagonal number.

It is an amenable number.

52318785289 is a deficient number, since it is larger than the sum of its proper divisors (228734).

52318785289 is an frugal number, since it uses more digits than its factorization.

52318785289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457466 (or 228733 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 58.

The spelling of 52318785289 in words is "fifty-two billion, three hundred eighteen million, seven hundred eighty-five thousand, two hundred eighty-nine".