5500981509 has 8 divisors (see below), whose sum is σ = 7417054080. Its totient is φ = 3626114976.

The previous prime is 5500981487. The next prime is 5500981531. The reversal of 5500981509 is 9051890055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5500981487) and next prime (5500981531).

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

It is not a de Polignac number, because 5500981509 - 2¹⁵ = 5500948741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500981559) 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, 10301197 + ... + 10301730.

It is an arithmetic number, because the mean of its divisors is an integer number (927131760).

Almost surely, 2^5500981509 is an apocalyptic number.

It is an amenable number.

5500981509 is a deficient number, since it is larger than the sum of its proper divisors (1916072571).

5500981509 is a wasteful number, since it uses less digits than its factorization.

5500981509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20603019.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 5500981509 is about 74168.6019080851. The cubic root of 5500981509 is about 1765.2791634983.

The spelling of 5500981509 in words is "five billion, five hundred million, nine hundred eighty-one thousand, five hundred nine".