2555505544 has 16 divisors (see below), whose sum is σ = 4793432220. Its totient is φ = 1277256960.

The previous prime is 2555505539. The next prime is 2555505559. The reversal of 2555505544 is 4455055552.

It can be written as a sum of positive squares in 2 ways, for example, as 2554089444 + 1416100 = 50538^2 + 1190^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2555505497 and 2555505506.

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, 39597 + ... + 81724.

Almost surely, 2^2555505544 is an apocalyptic number.

It is an amenable number.

2555505544 is a deficient number, since it is larger than the sum of its proper divisors (2237926676).

2555505544 is a wasteful number, since it uses less digits than its factorization.

2555505544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123960 (or 123956 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 40.

The square root of 2555505544 is about 50552.0083082759. The cubic root of 2555505544 is about 1367.1797246676.

The spelling of 2555505544 in words is "two billion, five hundred fifty-five million, five hundred five thousand, five hundred forty-four".