5550550505 has 8 divisors (see below), whose sum is σ = 6662690952. Its totient is φ = 4439086848.

The previous prime is 5550550501. The next prime is 5550550531. The reversal of 5550550505 is 5050550555.

It can be written as a sum of positive squares in 4 ways, for example, as 413674921 + 5136875584 = 20339^2 + 71672^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5550550505 - 2² = 5550550501 is a prime.

It is a super-2 number, since 2×5550550505² = 61617221817111510050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5550550501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150974 + ... + 184103.

It is an arithmetic number, because the mean of its divisors is an integer number (832836369).

Almost surely, 2^5550550505 is an apocalyptic number.

It is an amenable number.

5550550505 is a deficient number, since it is larger than the sum of its proper divisors (1112140447).

5550550505 is a wasteful number, since it uses less digits than its factorization.

5550550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338395.

The product of its (nonzero) digits is 78125, while the sum is 35.

The square root of 5550550505 is about 74502.0167847824. The cubic root of 5550550505 is about 1770.5655895172.

The spelling of 5550550505 in words is "five billion, five hundred fifty million, five hundred fifty thousand, five hundred five".