5571791 has 4 divisors (see below), whose sum is σ = 5642400. Its totient is φ = 5501184.

The previous prime is 5571781. The next prime is 5571809. The reversal of 5571791 is 1971755.

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 5571791 - 2¹⁰ = 5570767 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 (5571721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35186 + ... + 35343.

It is an arithmetic number, because the mean of its divisors is an integer number (1410600).

Almost surely, 2^5571791 is an apocalyptic number.

5571791 is a deficient number, since it is larger than the sum of its proper divisors (70609).

5571791 is an equidigital number, since it uses as much as digits as its factorization.

5571791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70608.

The product of its digits is 11025, while the sum is 35.

The square root of 5571791 is about 2360.4641492723. The cubic root of 5571791 is about 177.2821210809.

The spelling of 5571791 in words is "five million, five hundred seventy-one thousand, seven hundred ninety-one".