5581842 has 32 divisors (see below), whose sum is σ = 12828672. Its totient is φ = 1586064.

The previous prime is 5581841. The next prime is 5581843. The reversal of 5581842 is 2481855.

It is an interprime number because it is at equal distance from previous prime (5581841) and next prime (5581843).

It is a super-2 number, since 2×5581842² = 62313920225928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5581841) 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, 14383 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (400896).

Almost surely, 2^5581842 is an apocalyptic number.

5581842 is an abundant number, since it is smaller than the sum of its proper divisors (7246830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5581842 is a wasteful number, since it uses less digits than its factorization.

5581842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 12800, while the sum is 33.

The square root of 5581842 is about 2362.5922204223. The cubic root of 5581842 is about 177.3886572756.

The spelling of 5581842 in words is "five million, five hundred eighty-one thousand, eight hundred forty-two".