5605105549 has 4 divisors (see below), whose sum is σ = 5605998336. Its totient is φ = 5604212764.

The previous prime is 5605105511. The next prime is 5605105591. The reversal of 5605105549 is 9455015065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5605105549 - 2¹¹ = 5605103501 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 (5605105949) 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, 436909 + ... + 449554.

It is an arithmetic number, because the mean of its divisors is an integer number (1401499584).

Almost surely, 2^5605105549 is an apocalyptic number.

It is an amenable number.

5605105549 is a deficient number, since it is larger than the sum of its proper divisors (892787).

5605105549 is an equidigital number, since it uses as much as digits as its factorization.

5605105549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892786.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5605105549 is about 74867.2528479575. The cubic root of 5605105549 is about 1776.3475106789.

The spelling of 5605105549 in words is "five billion, six hundred five million, one hundred five thousand, five hundred forty-nine".