53205611 has 2 divisors, whose sum is σ = 53205612. Its totient is φ = 53205610.

The previous prime is 53205589. The next prime is 53205613. The reversal of 53205611 is 11650235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53205611 - 2⁶ = 53205547 is a prime.

Together with 53205613, 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 (53205613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602805 + 26602806.

It is an arithmetic number, because the mean of its divisors is an integer number (26602806).

Almost surely, 2^53205611 is an apocalyptic number.

53205611 is a deficient number, since it is larger than the sum of its proper divisors (1).

53205611 is an equidigital number, since it uses as much as digits as its factorization.

53205611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 53205611 is about 7294.2176413924. The cubic root of 53205611 is about 376.1136930782.

Adding to 53205611 its reverse (11650235), we get a palindrome (64855846).

The spelling of 53205611 in words is "fifty-three million, two hundred five thousand, six hundred eleven".