550432 has 24 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 270912.

The previous prime is 550427. The next prime is 550439. The reversal of 550432 is 234055.

It is a happy number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (550439) 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, 3213 + ... + 3379.

It is an arithmetic number, because the mean of its divisors is an integer number (45864).

2⁵⁵⁰⁴³² is an apocalyptic number.

It is an amenable number.

550432 is a deficient number, since it is larger than the sum of its proper divisors (550304).

550432 is a wasteful number, since it uses less digits than its factorization.

550432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 550432 is about 741.9110458808. The cubic root of 550432 is about 81.9535727667.

Adding to 550432 its reverse (234055), we get a palindrome (784487).

The spelling of 550432 in words is "five hundred fifty thousand, four hundred thirty-two".