5509901187 has 18 divisors (see below), whose sum is σ = 9258134028. Its totient is φ = 3148514712.

The previous prime is 5509901167. The next prime is 5509901233. The reversal of 5509901187 is 7811099055.

5509901187 is a `hidden beast` number, since 550 + 9 + 9 + 0 + 11 + 87 = 666.

It is not a de Polignac number, because 5509901187 - 2⁶ = 5509901123 is a prime.

It is a super-2 number, since 2×5509901187² = 60718022181008017938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5509901107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6246613 + ... + 6247494.

Almost surely, 2^5509901187 is an apocalyptic number.

5509901187 is a deficient number, since it is larger than the sum of its proper divisors (3748232841).

5509901187 is a wasteful number, since it uses less digits than its factorization.

5509901187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12494127 (or 12494117 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 5509901187 is about 74228.7086442975. The cubic root of 5509901187 is about 1766.2327641690.

The spelling of 5509901187 in words is "five billion, five hundred nine million, nine hundred one thousand, one hundred eighty-seven".