5521171 has 4 divisors (see below), whose sum is σ = 5611744. Its totient is φ = 5430600.

The previous prime is 5521147. The next prime is 5521181. The reversal of 5521171 is 1711255.

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 5521171 - 2¹¹ = 5519123 is a prime.

It is a super-2 number, since 2×5521171² = 60966658422482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521111) 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, 45195 + ... + 45316.

It is an arithmetic number, because the mean of its divisors is an integer number (1402936).

Almost surely, 2^5521171 is an apocalyptic number.

5521171 is a deficient number, since it is larger than the sum of its proper divisors (90573).

5521171 is an equidigital number, since it uses as much as digits as its factorization.

5521171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90572.

The product of its digits is 350, while the sum is 22.

The square root of 5521171 is about 2349.7172170285. The cubic root of 5521171 is about 176.7436146744.

The spelling of 5521171 in words is "five million, five hundred twenty-one thousand, one hundred seventy-one".