550836 has 72 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 152640.
The previous prime is 550831. The next prime is 550841. The reversal of 550836 is 638055.
550836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (550831) and next prime (550841).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (550831) by changing a digit.
550836 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 23 ways as a sum of consecutive naturals, for example, 5095 + ... + 5201.
It is an arithmetic number, because the mean of its divisors is an integer number (22932).
2550836 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 550836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825552).
550836 is an abundant number, since it is smaller than the sum of its proper divisors (1100268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
550836 is a wasteful number, since it uses less digits than its factorization.
550836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141 (or 136 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The square root of 550836 is about 742.1832657774. The cubic root of 550836 is about 81.9736183226.
The spelling of 550836 in words is "five hundred fifty thousand, eight hundred thirty-six".
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