2555066856 has 16 divisors (see below), whose sum is σ = 6387667200. Its totient is φ = 851688944.

The previous prime is 2555066831. The next prime is 2555066873. The reversal of 2555066856 is 6586605552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53230536 + ... + 53230583.

It is an arithmetic number, because the mean of its divisors is an integer number (399229200).

Almost surely, 2^2555066856 is an apocalyptic number.

It is an amenable number.

2555066856 is an abundant number, since it is smaller than the sum of its proper divisors (3832600344).

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

2555066856 is a wasteful number, since it uses less digits than its factorization.

2555066856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106461128 (or 106461124 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The square root of 2555066856 is about 50547.6691450753. The cubic root of 2555066856 is about 1367.1014883980.

The spelling of 2555066856 in words is "two billion, five hundred fifty-five million, sixty-six thousand, eight hundred fifty-six".