52808231 has 6 divisors (see below), whose sum is σ = 61430040. Its totient is φ = 45264156.

The previous prime is 52808219. The next prime is 52808233. The reversal of 52808231 is 13280825.

52808231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-52808231 is a prime.

It is a super-2 number, since 2×52808231² = 5577418522698722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52808194 and 52808203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52808233) 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 5 ways as a sum of consecutive naturals, for example, 538811 + ... + 538908.

It is an arithmetic number, because the mean of its divisors is an integer number (10238340).

Almost surely, 2^52808231 is an apocalyptic number.

52808231 is a deficient number, since it is larger than the sum of its proper divisors (8621809).

52808231 is a wasteful number, since it uses less digits than its factorization.

52808231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077733 (or 1077726 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 52808231 is about 7266.9272048095. The cubic root of 52808231 is about 375.1749844093.

The spelling of 52808231 in words is "fifty-two million, eight hundred eight thousand, two hundred thirty-one".