52805761 has 2 divisors, whose sum is σ = 52805762. Its totient is φ = 52805760.

The previous prime is 52805743. The next prime is 52805789. The reversal of 52805761 is 16750825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 518400 = 7231^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 52805761 - 2¹¹ = 52803713 is a prime.

It is not a weakly prime, because it can be changed into another prime (52805261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402880 + 26402881.

It is an arithmetic number, because the mean of its divisors is an integer number (26402881).

Almost surely, 2^52805761 is an apocalyptic number.

It is an amenable number.

52805761 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805761 is an equidigital number, since it uses as much as digits as its factorization.

52805761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 52805761 is about 7266.7572547870. The cubic root of 52805761 is about 375.1691349634.

The spelling of 52805761 in words is "fifty-two million, eight hundred five thousand, seven hundred sixty-one".