53365511 has 2 divisors, whose sum is σ = 53365512. Its totient is φ = 53365510.

The previous prime is 53365489. The next prime is 53365513. The reversal of 53365511 is 11556335.

53365511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53365511 is a prime.

It is a super-2 number, since 2×53365511² = 5695755528582242, which contains 22 as substring.

Together with 53365513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53365513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26682755 + 26682756.

It is an arithmetic number, because the mean of its divisors is an integer number (26682756).

Almost surely, 2^53365511 is an apocalyptic number.

53365511 is a deficient number, since it is larger than the sum of its proper divisors (1).

53365511 is an equidigital number, since it uses as much as digits as its factorization.

53365511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 29.

The square root of 53365511 is about 7305.1701554447. The cubic root of 53365511 is about 376.4900971924.

The spelling of 53365511 in words is "fifty-three million, three hundred sixty-five thousand, five hundred eleven".