52812091 has 2 divisors, whose sum is σ = 52812092. Its totient is φ = 52812090.

The previous prime is 52812083. The next prime is 52812107. The reversal of 52812091 is 19021825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52812091 - 2³ = 52812083 is a prime.

It is not a weakly prime, because it can be changed into another prime (52812391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26406045 + 26406046.

It is an arithmetic number, because the mean of its divisors is an integer number (26406046).

Almost surely, 2^52812091 is an apocalyptic number.

52812091 is a deficient number, since it is larger than the sum of its proper divisors (1).

52812091 is an equidigital number, since it uses as much as digits as its factorization.

52812091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 52812091 is about 7267.1927867644. The cubic root of 52812091 is about 375.1841252833.

The spelling of 52812091 in words is "fifty-two million, eight hundred twelve thousand, ninety-one".