2554545544 has 24 divisors (see below), whose sum is σ = 4815531630. Its totient is φ = 1270440320.

The previous prime is 2554545541. The next prime is 2554545583. The reversal of 2554545544 is 4455454552.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1733723044 + 820822500 = 41638^2 + 28650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2554545544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554545541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287472 + ... + 296224.

Almost surely, 2^2554545544 is an apocalyptic number.

It is an amenable number.

2554545544 is a deficient number, since it is larger than the sum of its proper divisors (2260986086).

2554545544 is an equidigital number, since it uses as much as digits as its factorization.

2554545544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 8946 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 43.

The square root of 2554545544 is about 50542.5122446441. The cubic root of 2554545544 is about 1367.0085051968.

The spelling of 2554545544 in words is "two billion, five hundred fifty-four million, five hundred forty-five thousand, five hundred forty-four".