53267891 has 2 divisors, whose sum is σ = 53267892. Its totient is φ = 53267890.

The previous prime is 53267869. The next prime is 53267909. The reversal of 53267891 is 19876235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53267891 - 2¹⁰ = 53266867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53267801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26633945 + 26633946.

It is an arithmetic number, because the mean of its divisors is an integer number (26633946).

Almost surely, 2^53267891 is an apocalyptic number.

53267891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53267891 is an equidigital number, since it uses as much as digits as its factorization.

53267891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 53267891 is about 7298.4855278338. The cubic root of 53267891 is about 376.2603895543.

The spelling of 53267891 in words is "fifty-three million, two hundred sixty-seven thousand, eight hundred ninety-one".