2556552306 has 32 divisors (see below), whose sum is σ = 6374780928. Its totient is φ = 664039440.

The previous prime is 2556552287. The next prime is 2556552311. The reversal of 2556552306 is 6032556552.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766370 + ... + 2767293.

It is an arithmetic number, because the mean of its divisors is an integer number (199211904).

Almost surely, 2^2556552306 is an apocalyptic number.

2556552306 is an abundant number, since it is smaller than the sum of its proper divisors (3818228622).

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

2556552306 is a wasteful number, since it uses less digits than its factorization.

2556552306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533686.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 2556552306 is about 50562.3605659388. The cubic root of 2556552306 is about 1367.3663695934.

The spelling of 2556552306 in words is "two billion, five hundred fifty-six million, five hundred fifty-two thousand, three hundred six".