550629 has 12 divisors (see below), whose sum is σ = 801996. Its totient is φ = 364032.

The previous prime is 550621. The next prime is 550631. The reversal of 550629 is 926055.

550629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 74529 + 476100 = 273^2 + 690^2 .

It is not a de Polignac number, because 550629 - 2³ = 550621 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1579 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (66833).

2⁵⁵⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

550629 is a deficient number, since it is larger than the sum of its proper divisors (251367).

550629 is a wasteful number, since it uses less digits than its factorization.

550629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 550629 is about 742.0437992464. The cubic root of 550629 is about 81.9633486810.

The spelling of 550629 in words is "five hundred fifty thousand, six hundred twenty-nine".