5504555549 has 2 divisors, whose sum is σ = 5504555550. Its totient is φ = 5504555548.

The previous prime is 5504555513. The next prime is 5504555557. The reversal of 5504555549 is 9455554055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3767749924 + 1736805625 = 61382^2 + 41675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5504555549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5504555599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752277774 + 2752277775.

It is an arithmetic number, because the mean of its divisors is an integer number (2752277775).

Almost surely, 2^5504555549 is an apocalyptic number.

It is an amenable number.

5504555549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5504555549 is an equidigital number, since it uses as much as digits as its factorization.

5504555549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250000, while the sum is 47.

The square root of 5504555549 is about 74192.6920188235. The cubic root of 5504555549 is about 1765.6613869522.

The spelling of 5504555549 in words is "five billion, five hundred four million, five hundred fifty-five thousand, five hundred forty-nine".