5549999985 has 32 divisors (see below), whose sum is σ = 9962484480. Its totient is φ = 2931254784.

The previous prime is 5549999971. The next prime is 5550000041. The reversal of 5549999985 is 5899999455.

5549999985 is a `hidden beast` number, since 55 + 499 + 9 + 9 + 9 + 85 = 666.

It is not a de Polignac number, because 5549999985 - 2⁴ = 5549999969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185664 + ... + 213473.

It is an arithmetic number, because the mean of its divisors is an integer number (311327640).

Almost surely, 2^5549999985 is an apocalyptic number.

It is an amenable number.

5549999985 is a deficient number, since it is larger than the sum of its proper divisors (4412484495).

5549999985 is a wasteful number, since it uses less digits than its factorization.

5549999985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399254 (or 399248 counting only the distinct ones).

The product of its digits is 236196000, while the sum is 72.

The square root of 5549999985 is about 74498.3220280833. The cubic root of 5549999985 is about 1770.5070509395.

The spelling of 5549999985 in words is "five billion, five hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-five".