5509551003 has 8 divisors (see below), whose sum is σ = 8013892416. Its totient is φ = 3339121800.

The previous prime is 5509550989. The next prime is 5509551041. The reversal of 5509551003 is 3001559055.

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

It is not a de Polignac number, because 5509551003 - 2¹⁰ = 5509549979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 166956091 = 5509551003 / (5 + 5 + 0 + 9 + 5 + 5 + 1 + 0 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (5509551053) 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, 83478013 + ... + 83478078.

It is an arithmetic number, because the mean of its divisors is an integer number (1001736552).

Almost surely, 2^5509551003 is an apocalyptic number.

5509551003 is a deficient number, since it is larger than the sum of its proper divisors (2504341413).

5509551003 is a wasteful number, since it uses less digits than its factorization.

5509551003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166956105.

The product of its (nonzero) digits is 16875, while the sum is 33.

The square root of 5509551003 is about 74226.3497890069. The cubic root of 5509551003 is about 1766.1953454969.

The spelling of 5509551003 in words is "five billion, five hundred nine million, five hundred fifty-one thousand, three".