52728882725 has 6 divisors (see below), whose sum is σ = 65383814610. Its totient is φ = 42183106160.

The previous prime is 52728882721. The next prime is 52728882757.

It is a happy number.

52728882725 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 8535172996 + 44193709729 = 92386^2 + 210223^2 .

It is not a de Polignac number, because 52728882725 - 2² = 52728882721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52728882721) 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 5 ways as a sum of consecutive naturals, for example, 1054577630 + ... + 1054577679.

It is an arithmetic number, because the mean of its divisors is an integer number (10897302435).

Almost surely, 2^52728882725 is an apocalyptic number.

It is an amenable number.

52728882725 is a deficient number, since it is larger than the sum of its proper divisors (12654931885).

52728882725 is a wasteful number, since it uses less digits than its factorization.

52728882725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109155319 (or 2109155314 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 56.

The spelling of 52728882725 in words is "fifty-two billion, seven hundred twenty-eight million, eight hundred eighty-two thousand, seven hundred twenty-five".