2555555549 has 8 divisors (see below), whose sum is σ = 2707106688. Its totient is φ = 2404140480.

The previous prime is 2555555477. The next prime is 2555555591. The reversal of 2555555549 is 9455555552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555555549 - 2⁸ = 2555555293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2555555497 and 2555555506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555525549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6014 + ... + 71744.

It is an arithmetic number, because the mean of its divisors is an integer number (338388336).

Almost surely, 2^2555555549 is an apocalyptic number.

It is an amenable number.

2555555549 is a deficient number, since it is larger than the sum of its proper divisors (151551139).

2555555549 is a wasteful number, since it uses less digits than its factorization.

2555555549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68035.

The product of its digits is 5625000, while the sum is 50.

The square root of 2555555549 is about 50552.5028955046. The cubic root of 2555555549 is about 1367.1886420651.

The spelling of 2555555549 in words is "two billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-nine".