2555855836 has 24 divisors (see below), whose sum is σ = 4548927600. Its totient is φ = 1256188800.

The previous prime is 2555855833. The next prime is 2555855843. The reversal of 2555855836 is 6385585552.

It is a happy number.

2555855836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555855833) 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, 656616 + ... + 660496.

It is an arithmetic number, because the mean of its divisors is an integer number (189538650).

Almost surely, 2^2555855836 is an apocalyptic number.

It is an amenable number.

2555855836 is a deficient number, since it is larger than the sum of its proper divisors (1993071764).

2555855836 is a wasteful number, since it uses less digits than its factorization.

2555855836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645 (or 6643 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 52.

The square root of 2555855836 is about 50555.4728590288. The cubic root of 2555855836 is about 1367.2421898343.

The spelling of 2555855836 in words is "two billion, five hundred fifty-five million, eight hundred fifty-five thousand, eight hundred thirty-six".