5507009991 has 96 divisors (see below), whose sum is σ = 10046592000. Its totient is φ = 2966483520.

The previous prime is 5507009969. The next prime is 5507010017. The reversal of 5507009991 is 1999007055.

5507009991 is a `hidden beast` number, since 550 + 7 + 0 + 0 + 9 + 9 + 91 = 666.

It is not a de Polignac number, because 5507009991 - 2¹¹ = 5507007943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5507001991) 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 95 ways as a sum of consecutive naturals, for example, 2159185 + ... + 2161733.

It is an arithmetic number, because the mean of its divisors is an integer number (104652000).

Almost surely, 2^5507009991 is an apocalyptic number.

5507009991 is a deficient number, since it is larger than the sum of its proper divisors (4539582009).

5507009991 is a wasteful number, since it uses less digits than its factorization.

5507009991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 45.

The square root of 5507009991 is about 74209.2311710612. The cubic root of 5507009991 is about 1765.9237798898.

The spelling of 5507009991 in words is "five billion, five hundred seven million, nine thousand, nine hundred ninety-one".