550321230 has 32 divisors (see below), whose sum is σ = 1378197504. Its totient is φ = 140371616.

The previous prime is 550321217. The next prime is 550321237. The reversal of 550321230 is 32123055.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 550321197 and 550321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550321237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398094 + ... + 399473.

It is an arithmetic number, because the mean of its divisors is an integer number (43068672).

Almost surely, 2^550321230 is an apocalyptic number.

550321230 is an abundant number, since it is smaller than the sum of its proper divisors (827876274).

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

550321230 is a wasteful number, since it uses less digits than its factorization.

550321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797600.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 550321230 is about 23458.9264460248. The cubic root of 550321230 is about 819.4807489941.

Adding to 550321230 its reverse (32123055), we get a palindrome (582444285).

The spelling of 550321230 in words is "five hundred fifty million, three hundred twenty-one thousand, two hundred thirty".