52728705901 has 2 divisors, whose sum is σ = 52728705902. Its totient is φ = 52728705900.

The previous prime is 52728705899. The next prime is 52728705923. The reversal of 52728705901 is 10950782725.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29051498025 + 23677207876 = 170445^2 + 153874^2 .

It is a cyclic number.

It is not a de Polignac number, because 52728705901 - 2¹ = 52728705899 is a prime.

Together with 52728705899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52728705941) 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 as a sum of consecutive naturals, namely, 26364352950 + 26364352951.

It is an arithmetic number, because the mean of its divisors is an integer number (26364352951).

Almost surely, 2^52728705901 is an apocalyptic number.

It is an amenable number.

52728705901 is a deficient number, since it is larger than the sum of its proper divisors (1).

52728705901 is an equidigital number, since it uses as much as digits as its factorization.

52728705901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 52728705901 in words is "fifty-two billion, seven hundred twenty-eight million, seven hundred five thousand, nine hundred one".