548865839 has 2 divisors, whose sum is σ = 548865840. Its totient is φ = 548865838.

The previous prime is 548865833. The next prime is 548865857. The reversal of 548865839 is 938568845.

548865839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 548865839 - 2¹⁶ = 548800303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548865833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274432919 + 274432920.

It is an arithmetic number, because the mean of its divisors is an integer number (274432920).

Almost surely, 2^548865839 is an apocalyptic number.

548865839 is a deficient number, since it is larger than the sum of its proper divisors (1).

548865839 is an equidigital number, since it uses as much as digits as its factorization.

548865839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 56.

The square root of 548865839 is about 23427.8859268181. The cubic root of 548865839 is about 818.7577059353.

The spelling of 548865839 in words is "five hundred forty-eight million, eight hundred sixty-five thousand, eight hundred thirty-nine".