5561748171 has 32 divisors (see below), whose sum is σ = 9420433920. Its totient is φ = 3176887392.

The previous prime is 5561748167. The next prime is 5561748173. The reversal of 5561748171 is 1718471655.

5561748171 is a `hidden beast` number, since 5 + 561 + 7 + 4 + 81 + 7 + 1 = 666.

It is not a de Polignac number, because 5561748171 - 2² = 5561748167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561748173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701596 + ... + 709478.

It is an arithmetic number, because the mean of its divisors is an integer number (294388560).

Almost surely, 2^5561748171 is an apocalyptic number.

5561748171 is a deficient number, since it is larger than the sum of its proper divisors (3858685749).

5561748171 is a wasteful number, since it uses less digits than its factorization.

5561748171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632 (or 11626 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 5561748171 is about 74577.1290074913. The cubic root of 5561748171 is about 1771.7554345343.

The spelling of 5561748171 in words is "five billion, five hundred sixty-one million, seven hundred forty-eight thousand, one hundred seventy-one".