5605571 has 4 divisors (see below), whose sum is σ = 5673192. Its totient is φ = 5537952.

The previous prime is 5605559. The next prime is 5605619. The reversal of 5605571 is 1755065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5605571 - 2¹⁴ = 5589187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5605471) 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, 33686 + ... + 33851.

It is an arithmetic number, because the mean of its divisors is an integer number (1418298).

Almost surely, 2^5605571 is an apocalyptic number.

5605571 is a deficient number, since it is larger than the sum of its proper divisors (67621).

5605571 is an equidigital number, since it uses as much as digits as its factorization.

5605571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67620.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 5605571 is about 2367.6087092254. The cubic root of 5605571 is about 177.6396678938.

The spelling of 5605571 in words is "five million, six hundred five thousand, five hundred seventy-one".