550430243 has 8 divisors (see below), whose sum is σ = 604854000. Its totient is φ = 496737280.

The previous prime is 550430239. The next prime is 550430291. The reversal of 550430243 is 342034055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550430243 - 2² = 550430239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550430213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181118 + ... + 184131.

It is an arithmetic number, because the mean of its divisors is an integer number (75606750).

Almost surely, 2^550430243 is an apocalyptic number.

550430243 is a deficient number, since it is larger than the sum of its proper divisors (54423757).

550430243 is a wasteful number, since it uses less digits than its factorization.

550430243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365397.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 550430243 is about 23461.2498175182. The cubic root of 550430243 is about 819.5348556697.

Adding to 550430243 its reverse (342034055), we get a palindrome (892464298).

The spelling of 550430243 in words is "five hundred fifty million, four hundred thirty thousand, two hundred forty-three".