2555530256 has 40 divisors (see below), whose sum is σ = 5089596120. Its totient is φ = 1242515456.

The previous prime is 2555530217. The next prime is 2555530261. The reversal of 2555530256 is 6520355552.

It can be written as a sum of positive squares in 4 ways, for example, as 614246656 + 1941283600 = 24784^2 + 44060^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82490 + ... + 109158.

It is an arithmetic number, because the mean of its divisors is an integer number (127239903).

Almost surely, 2^2555530256 is an apocalyptic number.

It is an amenable number.

2555530256 is a deficient number, since it is larger than the sum of its proper divisors (2534065864).

2555530256 is a wasteful number, since it uses less digits than its factorization.

2555530256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26843 (or 26837 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The square root of 2555530256 is about 50552.2527292306. The cubic root of 2555530256 is about 1367.1841315760.

The spelling of 2555530256 in words is "two billion, five hundred fifty-five million, five hundred thirty thousand, two hundred fifty-six".