5560555549 has 4 divisors (see below), whose sum is σ = 5561366364. Its totient is φ = 5559744736.

The previous prime is 5560555543. The next prime is 5560555577. The reversal of 5560555549 is 9455550655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1450848100 + 4109707449 = 38090^2 + 64107^2 .

It is a cyclic number.

It is not a de Polignac number, because 5560555549 - 2⁷ = 5560555421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5560555543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395032 + ... + 408865.

It is an arithmetic number, because the mean of its divisors is an integer number (1390341591).

Almost surely, 2^5560555549 is an apocalyptic number.

It is an amenable number.

5560555549 is a deficient number, since it is larger than the sum of its proper divisors (810815).

5560555549 is an equidigital number, since it uses as much as digits as its factorization.

5560555549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810814.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The square root of 5560555549 is about 74569.1326823640. The cubic root of 5560555549 is about 1771.6287845736.

The spelling of 5560555549 in words is "five billion, five hundred sixty million, five hundred fifty-five thousand, five hundred forty-nine".