5581899 has 16 divisors (see below), whose sum is σ = 8756640. Its totient is φ = 3502080.

The previous prime is 5581897. The next prime is 5581937. The reversal of 5581899 is 9981855.

5581899 is a `hidden beast` number, since 558 + 1 + 8 + 99 = 666.

It is not a de Polignac number, because 5581899 - 2¹ = 5581897 is a prime.

It is a nialpdrome in base 14.

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 15 ways as a sum of consecutive naturals, for example, 5622 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (547290).

Almost surely, 2^5581899 is an apocalyptic number.

5581899 is a deficient number, since it is larger than the sum of its proper divisors (3174741).

5581899 is a wasteful number, since it uses less digits than its factorization.

5581899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12187 (or 12181 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 5581899 is about 2362.6042834127. The cubic root of 5581899 is about 177.3892610858.

The spelling of 5581899 in words is "five million, five hundred eighty-one thousand, eight hundred ninety-nine".