550490 has 8 divisors (see below), whose sum is σ = 990900. Its totient is φ = 220192.

The previous prime is 550489. The next prime is 550513. The reversal of 550490 is 94055.

It can be written as a sum of positive squares in 2 ways, for example, as 534361 + 16129 = 731^2 + 127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27515 + ... + 27534.

2⁵⁵⁰⁴⁹⁰ is an apocalyptic number.

550490 is a deficient number, since it is larger than the sum of its proper divisors (440410).

550490 is a wasteful number, since it uses less digits than its factorization.

550490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55056.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 550490 is about 741.9501330952. The cubic root of 550490 is about 81.9564511969.

The spelling of 550490 in words is "five hundred fifty thousand, four hundred ninety".