53183891 has 2 divisors, whose sum is σ = 53183892. Its totient is φ = 53183890.

The previous prime is 53183813. The next prime is 53183927. The reversal of 53183891 is 19838135.

53183891 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 53183891 - 2¹⁰ = 53182867 is a prime.

It is not a weakly prime, because it can be changed into another prime (53183491) 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, 26591945 + 26591946.

It is an arithmetic number, because the mean of its divisors is an integer number (26591946).

Almost surely, 2^53183891 is an apocalyptic number.

53183891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53183891 is an equidigital number, since it uses as much as digits as its factorization.

53183891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 53183891 is about 7292.7286388567. The cubic root of 53183891 is about 376.0625061129.

The spelling of 53183891 in words is "fifty-three million, one hundred eighty-three thousand, eight hundred ninety-one".