550426 has 8 divisors (see below), whose sum is σ = 874260. Its totient is φ = 259008.

The previous prime is 550379. The next prime is 550427. The reversal of 550426 is 624055.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 10201 = 735^2 + 101^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 550397 and 550406.

It is not an unprimeable number, because it can be changed into a prime (550427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8061 + ... + 8128.

2⁵⁵⁰⁴²⁶ is an apocalyptic number.

550426 is a deficient number, since it is larger than the sum of its proper divisors (323834).

550426 is a wasteful number, since it uses less digits than its factorization.

550426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16208.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 550426 is about 741.9070022584. The cubic root of 550426 is about 81.9532749865.

The spelling of 550426 in words is "five hundred fifty thousand, four hundred twenty-six".