52766369 has 2 divisors, whose sum is σ = 52766370. Its totient is φ = 52766368.

The previous prime is 52766353. The next prime is 52766381. The reversal of 52766369 is 96366725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 9535744 = 6575^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 52766369 - 2⁴ = 52766353 is a prime.

It is a super-2 number, since 2×52766369² = 5568579394888322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52766569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26383184 + 26383185.

It is an arithmetic number, because the mean of its divisors is an integer number (26383185).

Almost surely, 2^52766369 is an apocalyptic number.

It is an amenable number.

52766369 is a deficient number, since it is larger than the sum of its proper divisors (1).

52766369 is an equidigital number, since it uses as much as digits as its factorization.

52766369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 52766369 is about 7264.0463241915. The cubic root of 52766369 is about 375.0758222979.

It can be divided in two parts, 52766 and 369, that added together give a palindrome (53135).

The spelling of 52766369 in words is "fifty-two million, seven hundred sixty-six thousand, three hundred sixty-nine".