2554043549 has 2 divisors, whose sum is σ = 2554043550. Its totient is φ = 2554043548.

The previous prime is 2554043537. The next prime is 2554043561. The reversal of 2554043549 is 9453404552.

It is a balanced prime because it is at equal distance from previous prime (2554043537) and next prime (2554043561).

It can be written as a sum of positive squares in only one way, i.e., 2428715524 + 125328025 = 49282^2 + 11195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554043549 - 2⁸ = 2554043293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554043519) 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 as a sum of consecutive naturals, namely, 1277021774 + 1277021775.

It is an arithmetic number, because the mean of its divisors is an integer number (1277021775).

Almost surely, 2^2554043549 is an apocalyptic number.

It is an amenable number.

2554043549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554043549 is an equidigital number, since it uses as much as digits as its factorization.

2554043549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 2554043549 is about 50537.5459336917. The cubic root of 2554043549 is about 1366.9189554931.

The spelling of 2554043549 in words is "two billion, five hundred fifty-four million, forty-three thousand, five hundred forty-nine".