2555555996 has 36 divisors (see below), whose sum is σ = 5205954096. Its totient is φ = 1094486400.

The previous prime is 2555555983. The next prime is 2555555999. The reversal of 2555555996 is 6995555552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555555999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355316 + ... + 362436.

It is an arithmetic number, because the mean of its divisors is an integer number (144609836).

Almost surely, 2^2555555996 is an apocalyptic number.

It is an amenable number.

2555555996 is an abundant number, since it is smaller than the sum of its proper divisors (2650398100).

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

2555555996 is a wasteful number, since it uses less digits than its factorization.

2555555996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970 (or 8961 counting only the distinct ones).

The product of its digits is 15187500, while the sum is 56.

The square root of 2555555996 is about 50552.5073166505. The cubic root of 2555555996 is about 1367.1887217781.

The spelling of 2555555996 in words is "two billion, five hundred fifty-five million, five hundred fifty-five thousand, nine hundred ninety-six".