2555511606 has 20 divisors (see below), whose sum is σ = 5726239332. Its totient is φ = 851837148.

The previous prime is 2555511601. The next prime is 2555511617. The reversal of 2555511606 is 6061155552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555511601) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7887220 + ... + 7887543.

Almost surely, 2^2555511606 is an apocalyptic number.

2555511606 is an abundant number, since it is smaller than the sum of its proper divisors (3170727726).

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

2555511606 is a wasteful number, since it uses less digits than its factorization.

2555511606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15774777 (or 15774768 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 2555511606 is about 50552.0682662935. The cubic root of 2555511606 is about 1367.1808057109.

The spelling of 2555511606 in words is "two billion, five hundred fifty-five million, five hundred eleven thousand, six hundred six".