2555665552 has 20 divisors (see below), whose sum is σ = 5401748016. Its totient is φ = 1161666080.

The previous prime is 2555665529. The next prime is 2555665583.

It is a happy number.

2555665552 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7260238 + ... + 7260589.

Almost surely, 2^2555665552 is an apocalyptic number.

2555665552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2555665552 is an abundant number, since it is smaller than the sum of its proper divisors (2846082464).

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

2555665552 is a wasteful number, since it uses less digits than its factorization.

2555665552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14520846 (or 14520840 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 46.

The square root of 2555665552 is about 50553.5908912512. The cubic root of 2555665552 is about 1367.2082585035.

The spelling of 2555665552 in words is "two billion, five hundred fifty-five million, six hundred sixty-five thousand, five hundred fifty-two".