2555582856 has 32 divisors (see below), whose sum is σ = 6395803200. Its totient is φ = 850948160.

The previous prime is 2555582819. The next prime is 2555582857. The reversal of 2555582856 is 6582855552.

It is a super-2 number, since 2×2555582856² = 13062007467762233472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2555582799 and 2555582808.

It is not an unprimeable number, because it can be changed into a prime (2555582857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33996 + ... + 79163.

It is an arithmetic number, because the mean of its divisors is an integer number (199868850).

Almost surely, 2^2555582856 is an apocalyptic number.

It is an amenable number.

2555582856 is an abundant number, since it is smaller than the sum of its proper divisors (3840220344).

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

2555582856 is a wasteful number, since it uses less digits than its factorization.

2555582856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114109 (or 114105 counting only the distinct ones).

The product of its digits is 4800000, while the sum is 51.

The square root of 2555582856 is about 50552.7729803223. The cubic root of 2555582856 is about 1367.1935116765.

The spelling of 2555582856 in words is "two billion, five hundred fifty-five million, five hundred eighty-two thousand, eight hundred fifty-six".