5550011985 has 16 divisors (see below), whose sum is σ = 10148593536. Its totient is φ = 2537148288.

The previous prime is 5550011927. The next prime is 5550011989. The reversal of 5550011985 is 5891100555.

It is not a de Polignac number, because 5550011985 - 2⁶ = 5550011921 is a prime.

It is a super-3 number, since 3×5550011985³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5550011989) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26428524 + ... + 26428733.

It is an arithmetic number, because the mean of its divisors is an integer number (634287096).

Almost surely, 2^5550011985 is an apocalyptic number.

It is an amenable number.

5550011985 is a deficient number, since it is larger than the sum of its proper divisors (4598581551).

5550011985 is a wasteful number, since it uses less digits than its factorization.

5550011985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52857272.

The product of its (nonzero) digits is 45000, while the sum is 39.

The square root of 5550011985 is about 74498.4025667665. The cubic root of 5550011985 is about 1770.5083269797.

The spelling of 5550011985 in words is "five billion, five hundred fifty million, eleven thousand, nine hundred eighty-five".