53005289 has 2 divisors, whose sum is σ = 53005290. Its totient is φ = 53005288.

The previous prime is 53005259. The next prime is 53005321. The reversal of 53005289 is 98250035.

It is a happy number.

It is an a-pointer prime, because the next prime (53005321) can be obtained adding 53005289 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 6889 = 7280^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 53005289 - 2¹⁶ = 52939753 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53005219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502644 + 26502645.

It is an arithmetic number, because the mean of its divisors is an integer number (26502645).

Almost surely, 2^53005289 is an apocalyptic number.

It is an amenable number.

53005289 is a deficient number, since it is larger than the sum of its proper divisors (1).

53005289 is an equidigital number, since it uses as much as digits as its factorization.

53005289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 53005289 is about 7280.4731302299. The cubic root of 53005289 is about 375.6410699721.

The spelling of 53005289 in words is "fifty-three million, five thousand, two hundred eighty-nine".