5539505645 has 8 divisors (see below), whose sum is σ = 6650524440. Its totient is φ = 4429526080.

The previous prime is 5539505627. The next prime is 5539505669. The reversal of 5539505645 is 5465059355.

It can be written as a sum of positive squares in 4 ways, for example, as 1318924489 + 4220581156 = 36317^2 + 64966^2 .

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

It is not a de Polignac number, because 5539505645 - 2⁶ = 5539505581 is a prime.

It is a super-3 number, since 3×5539505645³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5539505645.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 248030 + ... + 269439.

It is an arithmetic number, because the mean of its divisors is an integer number (831315555).

Almost surely, 2^5539505645 is an apocalyptic number.

It is an amenable number.

5539505645 is a deficient number, since it is larger than the sum of its proper divisors (1111018795).

5539505645 is a wasteful number, since it uses less digits than its factorization.

5539505645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519615.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The square root of 5539505645 is about 74427.8553029711. The cubic root of 5539505645 is about 1769.3904127218.

The spelling of 5539505645 in words is "five billion, five hundred thirty-nine million, five hundred five thousand, six hundred forty-five".