52265732689 has 3 divisors (see below), whose sum is σ = 52265961307. Its totient is φ = 52265504072.

The previous prime is 52265732683. The next prime is 52265732713. The reversal of 52265732689 is 98623756225.

The square root of 52265732689 is 228617.

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., 17143974225 + 35121758464 = 130935^2 + 187408^2 .

It is not a de Polignac number, because 52265732689 - 2³ = 52265732681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52265732681) 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, 114309 + ... + 342925.

Almost surely, 2^52265732689 is an apocalyptic number.

52265732689 is the 228617-th square number.

52265732689 is the 114309-th centered octagonal number.

It is an amenable number.

52265732689 is a deficient number, since it is larger than the sum of its proper divisors (228618).

52265732689 is an frugal number, since it uses more digits than its factorization.

52265732689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457234 (or 228617 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 52265732689 in words is "fifty-two billion, two hundred sixty-five million, seven hundred thirty-two thousand, six hundred eighty-nine".