52808291 has 4 divisors (see below), whose sum is σ = 52887432. Its totient is φ = 52729152.

The previous prime is 52808279. The next prime is 52808297. The reversal of 52808291 is 19280825.

52808291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52808291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52808297) 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 in 3 ways as a sum of consecutive naturals, for example, 38561 + ... + 39906.

It is an arithmetic number, because the mean of its divisors is an integer number (13221858).

Almost surely, 2^52808291 is an apocalyptic number.

52808291 is a deficient number, since it is larger than the sum of its proper divisors (79141).

52808291 is an equidigital number, since it uses as much as digits as its factorization.

52808291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79140.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 52808291 is about 7266.9313331007. The cubic root of 52808291 is about 375.1751264988.

The spelling of 52808291 in words is "fifty-two million, eight hundred eight thousand, two hundred ninety-one".