5547687754609 has 135 divisors (see below), whose sum is σ = 7727232660903. Its totient is φ = 3968298734400.

The previous prime is 5547687754603. The next prime is 5547687754643. The reversal of 5547687754609 is 9064577867455.

The square root of 5547687754609 is 2355353.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 3375660266209 + 2172027488400 = 1837297^2 + 1473780^2 .

It is not a de Polignac number, because 5547687754609 - 2¹³ = 5547687746417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5547687754603) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 30650208499 + ... + 30650208679.

Almost surely, 2^{5547687754609} is an apocalyptic number.

5547687754609 is the 2355353-rd square number.

5547687754609 is the 1177677-th centered octagonal number.

It is an amenable number.

5547687754609 is a deficient number, since it is larger than the sum of its proper divisors (2179544906294).

5547687754609 is an frugal number, since it uses more digits than its factorization.

5547687754609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1778112000, while the sum is 73.

The spelling of 5547687754609 in words is "five trillion, five hundred forty-seven billion, six hundred eighty-seven million, seven hundred fifty-four thousand, six hundred nine".