550000005 has 32 divisors (see below), whose sum is σ = 906228864. Its totient is φ = 284633856.

The previous prime is 550000001. The next prime is 550000007. The reversal of 550000005 is 500000055.

It is not a de Polignac number, because 550000005 - 2² = 550000001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244747 + ... + 246983.

It is an arithmetic number, because the mean of its divisors is an integer number (28319652).

Almost surely, 2^550000005 is an apocalyptic number.

It is an amenable number.

550000005 is a deficient number, since it is larger than the sum of its proper divisors (356228859).

550000005 is a wasteful number, since it uses less digits than its factorization.

550000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 125, while the sum is 15.

The square root of 550000005 is about 23452.0789057175. The cubic root of 550000005 is about 819.3212730834.

The spelling of 550000005 in words is "five hundred fifty million, five", and thus it is an aban number.