550648 has 16 divisors (see below), whose sum is σ = 1180080. Its totient is φ = 235968.

The previous prime is 550637. The next prime is 550651. The reversal of 550648 is 846055.

550648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a plaindrome in base 11.

It is a congruent number.

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, 4861 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (73755).

2⁵⁵⁰⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

550648 is an abundant number, since it is smaller than the sum of its proper divisors (629432).

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

550648 is a wasteful number, since it uses less digits than its factorization.

550648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846 (or 9842 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 550648 is about 742.0566016147. The cubic root of 550648 is about 81.9642914124.

It can be divided in two parts, 5 and 50648, that added together give a cube (50653 = 37³).

The spelling of 550648 in words is "five hundred fifty thousand, six hundred forty-eight".