53066239 has 2 divisors, whose sum is σ = 53066240. Its totient is φ = 53066238.

The previous prime is 53066227. The next prime is 53066249. The reversal of 53066239 is 93266035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53066239 - 2¹⁵ = 53033471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53066219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26533119 + 26533120.

It is an arithmetic number, because the mean of its divisors is an integer number (26533120).

Almost surely, 2^53066239 is an apocalyptic number.

53066239 is a deficient number, since it is larger than the sum of its proper divisors (1).

53066239 is an equidigital number, since it uses as much as digits as its factorization.

53066239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 53066239 is about 7284.6577819414. The cubic root of 53066239 is about 375.7849961952.

The spelling of 53066239 in words is "fifty-three million, sixty-six thousand, two hundred thirty-nine".