52789198081 has 3 divisors (see below), whose sum is σ = 52789427841. Its totient is φ = 52788968322.

The previous prime is 52789198039. The next prime is 52789198117. The reversal of 52789198081 is 18089198725.

The square root of 52789198081 is 229759.

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 is not a de Polignac number, because 52789198081 - 2¹⁹ = 52788673793 is a prime.

It is a super-2 number, since 2×52789198081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52789178081) 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, 114880 + ... + 344638.

It is an arithmetic number, because the mean of its divisors is an integer number (17596475947).

Almost surely, 2^52789198081 is an apocalyptic number.

52789198081 is the 229759-th square number.

52789198081 is the 114880-th centered octagonal number.

It is an amenable number.

52789198081 is a deficient number, since it is larger than the sum of its proper divisors (229760).

52789198081 is an frugal number, since it uses more digits than its factorization.

52789198081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459518 (or 229759 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 58.

The spelling of 52789198081 in words is "fifty-two billion, seven hundred eighty-nine million, one hundred ninety-eight thousand, eighty-one".