53305223 has 2 divisors, whose sum is σ = 53305224. Its totient is φ = 53305222.

The previous prime is 53305181. The next prime is 53305243. The reversal of 53305223 is 32250335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53305223 - 2⁶ = 53305159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53305243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26652611 + 26652612.

It is an arithmetic number, because the mean of its divisors is an integer number (26652612).

Almost surely, 2^53305223 is an apocalyptic number.

53305223 is a deficient number, since it is larger than the sum of its proper divisors (1).

53305223 is an equidigital number, since it uses as much as digits as its factorization.

53305223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 53305223 is about 7301.0425967803. The cubic root of 53305223 is about 376.3482678392.

Adding to 53305223 its reverse (32250335), we get a palindrome (85555558).

The spelling of 53305223 in words is "fifty-three million, three hundred five thousand, two hundred twenty-three".