53185211 has 2 divisors, whose sum is σ = 53185212. Its totient is φ = 53185210.

The previous prime is 53185193. The next prime is 53185213. The reversal of 53185211 is 11258135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53185211 - 2⁶ = 53185147 is a prime.

It is a super-2 number, since 2×53185211² = 5657333338229042, which contains 22 as substring.

Together with 53185213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53185213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26592605 + 26592606.

It is an arithmetic number, because the mean of its divisors is an integer number (26592606).

Almost surely, 2^53185211 is an apocalyptic number.

53185211 is a deficient number, since it is larger than the sum of its proper divisors (1).

53185211 is an equidigital number, since it uses as much as digits as its factorization.

53185211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 26.

The square root of 53185211 is about 7292.8191394001. The cubic root of 53185211 is about 376.0656173206.

The spelling of 53185211 in words is "fifty-three million, one hundred eighty-five thousand, two hundred eleven".