5509685915 has 4 divisors (see below), whose sum is σ = 6611623104. Its totient is φ = 4407748728.

The previous prime is 5509685891. The next prime is 5509685917. The reversal of 5509685915 is 5195869055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5509685915 - 2⁶ = 5509685851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5509685917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550968587 + ... + 550968596.

It is an arithmetic number, because the mean of its divisors is an integer number (1652905776).

Almost surely, 2^5509685915 is an apocalyptic number.

5509685915 is a deficient number, since it is larger than the sum of its proper divisors (1101937189).

5509685915 is a wasteful number, since it uses less digits than its factorization.

5509685915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101937188.

The product of its (nonzero) digits is 2430000, while the sum is 53.

The square root of 5509685915 is about 74227.2585712284. The cubic root of 5509685915 is about 1766.2097616143.

The spelling of 5509685915 in words is "five billion, five hundred nine million, six hundred eighty-five thousand, nine hundred fifteen".