53156111 has 2 divisors, whose sum is σ = 53156112. Its totient is φ = 53156110.

The previous prime is 53156083. The next prime is 53156113. The reversal of 53156111 is 11165135.

53156111 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 not a de Polignac number, because 53156111 - 2²² = 48961807 is a prime.

Together with 53156113, 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 (53156113) 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, 26578055 + 26578056.

It is an arithmetic number, because the mean of its divisors is an integer number (26578056).

Almost surely, 2^53156111 is an apocalyptic number.

53156111 is a deficient number, since it is larger than the sum of its proper divisors (1).

53156111 is an equidigital number, since it uses as much as digits as its factorization.

53156111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 23.

The square root of 53156111 is about 7290.8237531845. The cubic root of 53156111 is about 375.9970173862.

The spelling of 53156111 in words is "fifty-three million, one hundred fifty-six thousand, one hundred eleven".