52808393 has 12 divisors (see below), whose sum is σ = 58222080. Its totient is φ = 47861880.

The previous prime is 52808387. The next prime is 52808471. The reversal of 52808393 is 39380825.

52808393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52808393 - 2¹⁰ = 52807369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52808323) 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 11 ways as a sum of consecutive naturals, for example, 73088 + ... + 73806.

It is an arithmetic number, because the mean of its divisors is an integer number (4851840).

Almost surely, 2^52808393 is an apocalyptic number.

It is an amenable number.

52808393 is a deficient number, since it is larger than the sum of its proper divisors (5413687).

52808393 is a wasteful number, since it uses less digits than its factorization.

52808393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 52808393 is about 7266.9383511903. The cubic root of 52808393 is about 375.1753680507.

The spelling of 52808393 in words is "fifty-two million, eight hundred eight thousand, three hundred ninety-three".