5581857 has 8 divisors (see below), whose sum is σ = 7643776. Its totient is φ = 3620592.

The previous prime is 5581853. The next prime is 5581871. The reversal of 5581857 is 7581855.

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

It is not a de Polignac number, because 5581857 - 2² = 5581853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5581853) 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, 25033 + ... + 25254.

It is an arithmetic number, because the mean of its divisors is an integer number (955472).

Almost surely, 2^5581857 is an apocalyptic number.

It is an amenable number.

5581857 is a deficient number, since it is larger than the sum of its proper divisors (2061919).

5581857 is a wasteful number, since it uses less digits than its factorization.

5581857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50327.

The product of its digits is 56000, while the sum is 39.

The square root of 5581857 is about 2362.5953948994. The cubic root of 5581857 is about 177.3888161734.

It can be divided in two parts, 558 and 1857, that added together give a triangular number (2415 = T₆₉).

The spelling of 5581857 in words is "five million, five hundred eighty-one thousand, eight hundred fifty-seven".