5581771 has 4 divisors (see below), whose sum is σ = 6011152. Its totient is φ = 5152392.

The previous prime is 5581769. The next prime is 5581817. The reversal of 5581771 is 1771855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1771855 = 5 ⋅354371.

It is a cyclic number.

It is not a de Polignac number, because 5581771 - 2¹ = 5581769 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5581711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214671 + ... + 214696.

It is an arithmetic number, because the mean of its divisors is an integer number (1502788).

Almost surely, 2^5581771 is an apocalyptic number.

5581771 is a deficient number, since it is larger than the sum of its proper divisors (429381).

5581771 is a wasteful number, since it uses less digits than its factorization.

5581771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429380.

The product of its digits is 9800, while the sum is 34.

The square root of 5581771 is about 2362.5771945060. The cubic root of 5581771 is about 177.3879051554.

The spelling of 5581771 in words is "five million, five hundred eighty-one thousand, seven hundred seventy-one".