550764 has 18 divisors (see below), whose sum is σ = 1392300. Its totient is φ = 183576.

The previous prime is 550763. The next prime is 550789. The reversal of 550764 is 467055.

550764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (550763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7614 + ... + 7685.

It is an arithmetic number, because the mean of its divisors is an integer number (77350).

2⁵⁵⁰⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

550764 is an abundant number, since it is smaller than the sum of its proper divisors (841536).

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

550764 is a wasteful number, since it uses less digits than its factorization.

550764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15309 (or 15304 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 550764 is about 742.1347586524. The cubic root of 550764 is about 81.9700465652.

The spelling of 550764 in words is "five hundred fifty thousand, seven hundred sixty-four".