550724 has 12 divisors (see below), whose sum is σ = 972048. Its totient is φ = 273000.

The previous prime is 550721. The next prime is 550733. The reversal of 550724 is 427055.

It is a self number, because there is not a number n which added to its sum of digits gives 550724.

It is not an unprimeable number, because it can be changed into a prime (550721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (81004).

2⁵⁵⁰⁷²⁴ is an apocalyptic number.

It is an amenable number.

550724 is a deficient number, since it is larger than the sum of its proper divisors (421324).

550724 is a wasteful number, since it uses less digits than its factorization.

550724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 550724 is about 742.1078088795. The cubic root of 550724 is about 81.9680621210.

Adding to 550724 its reverse (427055), we get a palindrome (977779).

The spelling of 550724 in words is "five hundred fifty thousand, seven hundred twenty-four".