52855709 has 2 divisors, whose sum is σ = 52855710. Its totient is φ = 52855708.

The previous prime is 52855687. The next prime is 52855717. The reversal of 52855709 is 90755825.

52855709 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., 52852900 + 2809 = 7270^2 + 53^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52855709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52855609) 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, 26427854 + 26427855.

It is an arithmetic number, because the mean of its divisors is an integer number (26427855).

Almost surely, 2^52855709 is an apocalyptic number.

It is an amenable number.

52855709 is a deficient number, since it is larger than the sum of its proper divisors (1).

52855709 is an equidigital number, since it uses as much as digits as its factorization.

52855709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 52855709 is about 7270.1931886299. The cubic root of 52855709 is about 375.2873862200.

The spelling of 52855709 in words is "fifty-two million, eight hundred fifty-five thousand, seven hundred nine".