52845691 has 2 divisors, whose sum is σ = 52845692. Its totient is φ = 52845690.

The previous prime is 52845641. The next prime is 52845701. The reversal of 52845691 is 19654825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52845691 - 2⁷ = 52845563 is a prime.

It is not a weakly prime, because it can be changed into another prime (52845601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26422845 + 26422846.

It is an arithmetic number, because the mean of its divisors is an integer number (26422846).

Almost surely, 2^52845691 is an apocalyptic number.

52845691 is a deficient number, since it is larger than the sum of its proper divisors (1).

52845691 is an equidigital number, since it uses as much as digits as its factorization.

52845691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 52845691 is about 7269.5041784155. The cubic root of 52845691 is about 375.2636747064.

The spelling of 52845691 in words is "fifty-two million, eight hundred forty-five thousand, six hundred ninety-one".