53323289 has 2 divisors, whose sum is σ = 53323290. Its totient is φ = 53323288.

The previous prime is 53323279. The next prime is 53323297. The reversal of 53323289 is 98232335.

53323289 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., 38539264 + 14784025 = 6208^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 53323289 - 2⁴ = 53323273 is a prime.

It is not a weakly prime, because it can be changed into another prime (53323279) 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, 26661644 + 26661645.

It is an arithmetic number, because the mean of its divisors is an integer number (26661645).

Almost surely, 2^53323289 is an apocalyptic number.

It is an amenable number.

53323289 is a deficient number, since it is larger than the sum of its proper divisors (1).

53323289 is an equidigital number, since it uses as much as digits as its factorization.

53323289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 53323289 is about 7302.2797125281. The cubic root of 53323289 is about 376.3907798699.

The spelling of 53323289 in words is "fifty-three million, three hundred twenty-three thousand, two hundred eighty-nine".