53262809 has 2 divisors, whose sum is σ = 53262810. Its totient is φ = 53262808.

The previous prime is 53262799. The next prime is 53262829. The reversal of 53262809 is 90826235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35664784 + 17598025 = 5972^2 + 4195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53262809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53262829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26631404 + 26631405.

It is an arithmetic number, because the mean of its divisors is an integer number (26631405).

Almost surely, 2^53262809 is an apocalyptic number.

It is an amenable number.

53262809 is a deficient number, since it is larger than the sum of its proper divisors (1).

53262809 is an equidigital number, since it uses as much as digits as its factorization.

53262809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 53262809 is about 7298.1373651090. The cubic root of 53262809 is about 376.2484235207.

The spelling of 53262809 in words is "fifty-three million, two hundred sixty-two thousand, eight hundred nine".