53210233 has 2 divisors, whose sum is σ = 53210234. Its totient is φ = 53210232.

The previous prime is 53210207. The next prime is 53210249. The reversal of 53210233 is 33201235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 15657849 = 6128^2 + 3957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53210233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53210233.

It is not a weakly prime, because it can be changed into another prime (53210263) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605116 + 26605117.

It is an arithmetic number, because the mean of its divisors is an integer number (26605117).

Almost surely, 2^53210233 is an apocalyptic number.

It is an amenable number.

53210233 is a deficient number, since it is larger than the sum of its proper divisors (1).

53210233 is an equidigital number, since it uses as much as digits as its factorization.

53210233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 53210233 is about 7294.5344608138. The cubic root of 53210233 is about 376.1245838290.

Adding to 53210233 its reverse (33201235), we get a palindrome (86411468).

The spelling of 53210233 in words is "fifty-three million, two hundred ten thousand, two hundred thirty-three".