550006 has 4 divisors (see below), whose sum is σ = 825012. Its totient is φ = 275002.

The previous prime is 549979. The next prime is 550007. The reversal of 550006 is 600055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600055 = 5 ⋅120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550007) by changing a digit.

550006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137500 + ... + 137503.

It is an arithmetic number, because the mean of its divisors is an integer number (206253).

2⁵⁵⁰⁰⁰⁶ is an apocalyptic number.

550006 is a deficient number, since it is larger than the sum of its proper divisors (275006).

550006 is a wasteful number, since it uses less digits than its factorization.

550006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275005.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 550006 is about 741.6238938977. The cubic root of 550006 is about 81.9324249940.

The spelling of 550006 in words is "five hundred fifty thousand, six".