5509866684 has 48 divisors (see below), whose sum is σ = 14713574400. Its totient is φ = 1572040896.

The previous prime is 5509866647. The next prime is 5509866721. The reversal of 5509866684 is 4866689055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5509866647) and next prime (5509866721).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14782 + ... + 106010.

It is an arithmetic number, because the mean of its divisors is an integer number (306532800).

Almost surely, 2^5509866684 is an apocalyptic number.

It is an amenable number.

5509866684 is an abundant number, since it is smaller than the sum of its proper divisors (9203707716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5509866684 is a wasteful number, since it uses less digits than its factorization.

5509866684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91962 (or 91960 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The square root of 5509866684 is about 74228.4762338552. The cubic root of 5509866684 is about 1766.2290774449.

The spelling of 5509866684 in words is "five billion, five hundred nine million, eight hundred sixty-six thousand, six hundred eighty-four".