52806191 has 2 divisors, whose sum is σ = 52806192. Its totient is φ = 52806190.

The previous prime is 52806181. The next prime is 52806211. The reversal of 52806191 is 19160825.

52806191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52806191 - 2¹⁰ = 52805167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52806101) 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, 26403095 + 26403096.

It is an arithmetic number, because the mean of its divisors is an integer number (26403096).

Almost surely, 2^52806191 is an apocalyptic number.

52806191 is a deficient number, since it is larger than the sum of its proper divisors (1).

52806191 is an equidigital number, since it uses as much as digits as its factorization.

52806191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 52806191 is about 7266.7868415139. The cubic root of 52806191 is about 375.1701533011.

The spelling of 52806191 in words is "fifty-two million, eight hundred six thousand, one hundred ninety-one".