550626 has 8 divisors (see below), whose sum is σ = 1101264. Its totient is φ = 183540.

The previous prime is 550621. The next prime is 550631. The reversal of 550626 is 626055.

It is an interprime number because it is at equal distance from previous prime (550621) and next prime (550631).

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

550626 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550596 and 550605.

It is not an unprimeable number, because it can be changed into a prime (550621) by changing a digit.

550626 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 in 3 ways as a sum of consecutive naturals, for example, 45880 + ... + 45891.

It is an arithmetic number, because the mean of its divisors is an integer number (137658).

2⁵⁵⁰⁶²⁶ is an apocalyptic number.

550626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550626 is a wasteful number, since it uses less digits than its factorization.

550626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91776.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 550626 is about 742.0417777996. The cubic root of 550626 is about 81.9631998267.

It can be divided in two parts, 550 and 626, that added together give a triangular number (1176 = T₄₈).

The spelling of 550626 in words is "five hundred fifty thousand, six hundred twenty-six".