2555317868 has 6 divisors (see below), whose sum is σ = 4471806276. Its totient is φ = 1277658932.

The previous prime is 2555317841. The next prime is 2555317883. The reversal of 2555317868 is 8687135552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319414730 + ... + 319414737.

It is an arithmetic number, because the mean of its divisors is an integer number (745301046).

Almost surely, 2^2555317868 is an apocalyptic number.

It is an amenable number.

2555317868 is a deficient number, since it is larger than the sum of its proper divisors (1916488408).

2555317868 is a wasteful number, since it uses less digits than its factorization.

2555317868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638829471 (or 638829469 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 50.

The square root of 2555317868 is about 50550.1520076844. The cubic root of 2555317868 is about 1367.1462553469.

The spelling of 2555317868 in words is "two billion, five hundred fifty-five million, three hundred seventeen thousand, eight hundred sixty-eight".