5591271 has 16 divisors (see below), whose sum is σ = 8572928. Its totient is φ = 3175200.

The previous prime is 5591269. The next prime is 5591273. The reversal of 5591271 is 1721955.

It is an interprime number because it is at equal distance from previous prime (5591269) and next prime (5591273).

It is not a de Polignac number, because 5591271 - 2¹ = 5591269 is a prime.

It is a super-2 number, since 2×5591271² = 62524622790882, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (535808).

Almost surely, 2^5591271 is an apocalyptic number.

5591271 is a deficient number, since it is larger than the sum of its proper divisors (2981657).

5591271 is a wasteful number, since it uses less digits than its factorization.

5591271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 3150, while the sum is 30.

The square root of 5591271 is about 2364.5868560914. The cubic root of 5591271 is about 177.4884843419.

It can be divided in two parts, 559 and 1271, that added together give a triangular number (1830 = T₆₀).

The spelling of 5591271 in words is "five million, five hundred ninety-one thousand, two hundred seventy-one".