53243033 has 2 divisors, whose sum is σ = 53243034. Its totient is φ = 53243032.

The previous prime is 53243017. The next prime is 53243039. The reversal of 53243033 is 33034235.

53243033 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., 50239744 + 3003289 = 7088^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 53243033 - 2⁴ = 53243017 is a prime.

It is a super-3 number, since 3×53243033³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53243039) 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, 26621516 + 26621517.

It is an arithmetic number, because the mean of its divisors is an integer number (26621517).

Almost surely, 2^53243033 is an apocalyptic number.

It is an amenable number.

53243033 is a deficient number, since it is larger than the sum of its proper divisors (1).

53243033 is an equidigital number, since it uses as much as digits as its factorization.

53243033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 53243033 is about 7296.7823730738. The cubic root of 53243033 is about 376.2018518757.

Adding to 53243033 its reverse (33034235), we get a palindrome (86277268).

The spelling of 53243033 in words is "fifty-three million, two hundred forty-three thousand, thirty-three".