5581895 has 8 divisors (see below), whose sum is σ = 7307280. Its totient is φ = 4059520.

The previous prime is 5581871. The next prime is 5581897. The reversal of 5581895 is 5981855.

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

It is not a de Polignac number, because 5581895 - 2¹⁰ = 5580871 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50690 + ... + 50799.

It is an arithmetic number, because the mean of its divisors is an integer number (913410).

Almost surely, 2^5581895 is an apocalyptic number.

5581895 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5581895 is a deficient number, since it is larger than the sum of its proper divisors (1725385).

5581895 is a wasteful number, since it uses less digits than its factorization.

5581895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101505.

The product of its digits is 72000, while the sum is 41.

The square root of 5581895 is about 2362.6034368891. The cubic root of 5581895 is about 177.3892187133.

The spelling of 5581895 in words is "five million, five hundred eighty-one thousand, eight hundred ninety-five".