53389489 has 2 divisors, whose sum is σ = 53389490. Its totient is φ = 53389488.

The previous prime is 53389459. The next prime is 53389529. The reversal of 53389489 is 98498335.

53389489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53173264 + 216225 = 7292^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 53389489 - 2⁹ = 53388977 is a prime.

It is a super-2 number, since 2×53389489² = 5700875071362242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53389429) 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, 26694744 + 26694745.

It is an arithmetic number, because the mean of its divisors is an integer number (26694745).

Almost surely, 2^53389489 is an apocalyptic number.

It is an amenable number.

53389489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53389489 is an equidigital number, since it uses as much as digits as its factorization.

53389489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 53389489 is about 7306.8111375620. The cubic root of 53389489 is about 376.5464764759.

The spelling of 53389489 in words is "fifty-three million, three hundred eighty-nine thousand, four hundred eighty-nine".