5585991 has 8 divisors (see below), whose sum is σ = 7559424. Its totient is φ = 3668280.

The previous prime is 5585989. The next prime is 5586023. The reversal of 5585991 is 1995855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5585991 - 2¹ = 5585989 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

5585991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5585291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13695 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (944928).

Almost surely, 2^5585991 is an apocalyptic number.

5585991 is a deficient number, since it is larger than the sum of its proper divisors (1973433).

5585991 is a wasteful number, since it uses less digits than its factorization.

5585991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27861.

The product of its digits is 81000, while the sum is 42.

The square root of 5585991 is about 2363.4701182795. The cubic root of 5585991 is about 177.4325975652.

The spelling of 5585991 in words is "five million, five hundred eighty-five thousand, nine hundred ninety-one".