550568 has 8 divisors (see below), whose sum is σ = 1032330. Its totient is φ = 275280.

The previous prime is 550553. The next prime is 550577. The reversal of 550568 is 865055.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 4 = 742^2 + 2^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 550568.

It is an unprimeable number.

550568 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 as a sum of consecutive naturals, namely, 34403 + ... + 34418.

2⁵⁵⁰⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

550568 is a deficient number, since it is larger than the sum of its proper divisors (481762).

550568 is a wasteful number, since it uses less digits than its factorization.

550568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68827 (or 68823 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 550568 is about 742.0026954129. The cubic root of 550568 is about 81.9603218705.

The spelling of 550568 in words is "five hundred fifty thousand, five hundred sixty-eight".