2554689555 has 96 divisors (see below), whose sum is σ = 5204010240. Its totient is φ = 1145975040.

The previous prime is 2554689551. The next prime is 2554689563. The reversal of 2554689555 is 5559864552.

It is a happy number.

2554689555 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 6 + 89 + 555 = 666.

It is not a de Polignac number, because 2554689555 - 2² = 2554689551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554689551) 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 95 ways as a sum of consecutive naturals, for example, 401257 + ... + 407573.

It is an arithmetic number, because the mean of its divisors is an integer number (54208440).

Almost surely, 2^2554689555 is an apocalyptic number.

2554689555 is an abundant number, since it is smaller than the sum of its proper divisors (2649320685).

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

2554689555 is a wasteful number, since it uses less digits than its factorization.

2554689555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401 (or 6398 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 54.

The square root of 2554689555 is about 50543.9368767412. The cubic root of 2554689555 is about 1367.0341928138.

The spelling of 2554689555 in words is "two billion, five hundred fifty-four million, six hundred eighty-nine thousand, five hundred fifty-five".