52726909 has 2 divisors, whose sum is σ = 52726910. Its totient is φ = 52726908.

The previous prime is 52726867. The next prime is 52726913. The reversal of 52726909 is 90962725.

It is a happy number.

52726909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34047225 + 18679684 = 5835^2 + 4322^2 .

It is a cyclic number.

It is not a de Polignac number, because 52726909 - 2¹⁹ = 52202621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52720909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26363454 + 26363455.

It is an arithmetic number, because the mean of its divisors is an integer number (26363455).

Almost surely, 2^52726909 is an apocalyptic number.

It is an amenable number.

52726909 is a deficient number, since it is larger than the sum of its proper divisors (1).

52726909 is an equidigital number, since it uses as much as digits as its factorization.

52726909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 52726909 is about 7261.3296991667. The cubic root of 52726909 is about 374.9823019796.

It can be divided in two parts, 52726 and 909, that added together give a palindrome (53635).

The spelling of 52726909 in words is "fifty-two million, seven hundred twenty-six thousand, nine hundred nine".