550010009 has 4 divisors (see below), whose sum is σ = 555350016. Its totient is φ = 544670004.

The previous prime is 550009997. The next prime is 550010057. The reversal of 550010009 is 900010055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550010009 - 2⁸ = 550009753 is a prime.

It is a super-2 number, since 2×550010009² = 605022020000360162, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (550010089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669849 + ... + 2670054.

It is an arithmetic number, because the mean of its divisors is an integer number (138837504).

Almost surely, 2^550010009 is an apocalyptic number.

It is an amenable number.

550010009 is a deficient number, since it is larger than the sum of its proper divisors (5340007).

550010009 is a wasteful number, since it uses less digits than its factorization.

550010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340006.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 550010009 is about 23452.2921907433. The cubic root of 550010009 is about 819.3262406230.

The spelling of 550010009 in words is "five hundred fifty million, ten thousand, nine".