5508661745 has 4 divisors (see below), whose sum is σ = 6610394100. Its totient is φ = 4406929392.

The previous prime is 5508661727. The next prime is 5508661757. The reversal of 5508661745 is 5471668055.

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 1372628401 + 4136033344 = 37049^2 + 64312^2 .

It is a cyclic number.

It is not a de Polignac number, because 5508661745 - 2⁶ = 5508661681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5508661745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550866170 + ... + 550866179.

It is an arithmetic number, because the mean of its divisors is an integer number (1652598525).

Almost surely, 2^5508661745 is an apocalyptic number.

It is an amenable number.

5508661745 is a deficient number, since it is larger than the sum of its proper divisors (1101732355).

5508661745 is a wasteful number, since it uses less digits than its factorization.

5508661745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101732354.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 5508661745 is about 74220.3593699195. The cubic root of 5508661745 is about 1766.1003173148.

The spelling of 5508661745 in words is "five billion, five hundred eight million, six hundred sixty-one thousand, seven hundred forty-five".