548865808 has 20 divisors (see below), whose sum is σ = 1125982620. Its totient is φ = 258289664.

The previous prime is 548865799. The next prime is 548865833. The reversal of 548865808 is 808568845.

It can be written as a sum of positive squares in 2 ways, for example, as 496041984 + 52823824 = 22272^2 + 7268^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008673 + ... + 1009216.

It is an arithmetic number, because the mean of its divisors is an integer number (56299131).

Almost surely, 2^548865808 is an apocalyptic number.

It is an amenable number.

548865808 is an abundant number, since it is smaller than the sum of its proper divisors (577116812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

548865808 is a wasteful number, since it uses less digits than its factorization.

548865808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017914 (or 2017908 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 52.

The square root of 548865808 is about 23427.8852652133. The cubic root of 548865808 is about 818.7576905208.

The spelling of 548865808 in words is "five hundred forty-eight million, eight hundred sixty-five thousand, eight hundred eight".