5518839549 has 8 divisors (see below), whose sum is σ = 7360943040. Its totient is φ = 3677981216.

The previous prime is 5518839539. The next prime is 5518839551. The reversal of 5518839549 is 9459388155.

It is a happy number.

5518839549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5518839549 - 2⁴ = 5518839533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518839539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300897 + ... + 318710.

It is an arithmetic number, because the mean of its divisors is an integer number (920117880).

Almost surely, 2^5518839549 is an apocalyptic number.

It is an amenable number.

5518839549 is a deficient number, since it is larger than the sum of its proper divisors (1842103491).

5518839549 is a wasteful number, since it uses less digits than its factorization.

5518839549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622579.

The product of its digits is 7776000, while the sum is 57.

The square root of 5518839549 is about 74288.8925008308. The cubic root of 5518839549 is about 1767.1873305094.

The spelling of 5518839549 in words is "five billion, five hundred eighteen million, eight hundred thirty-nine thousand, five hundred forty-nine".