5509660805 has 8 divisors (see below), whose sum is σ = 7212646944. Its totient is φ = 4007026000.

The previous prime is 5509660801. The next prime is 5509660841. The reversal of 5509660805 is 5080669055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5509660805 - 2² = 5509660801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509660801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50087771 + ... + 50087880.

It is an arithmetic number, because the mean of its divisors is an integer number (901580868).

Almost surely, 2^5509660805 is an apocalyptic number.

5509660805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5509660805 is a deficient number, since it is larger than the sum of its proper divisors (1702986139).

5509660805 is a wasteful number, since it uses less digits than its factorization.

5509660805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100175667.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 5509660805 is about 74227.0894283212. The cubic root of 5509660805 is about 1766.2070784852.

The spelling of 5509660805 in words is "five billion, five hundred nine million, six hundred sixty thousand, eight hundred five".