550633243 has 8 divisors (see below), whose sum is σ = 579933200. Its totient is φ = 521365248.

The previous prime is 550633231. The next prime is 550633261. The reversal of 550633243 is 342336055.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550633243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550633273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32755 + ... + 46627.

It is an arithmetic number, because the mean of its divisors is an integer number (72491650).

Almost surely, 2^550633243 is an apocalyptic number.

550633243 is a deficient number, since it is larger than the sum of its proper divisors (29299957).

550633243 is a wasteful number, since it uses less digits than its factorization.

550633243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15981.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 550633243 is about 23465.5757014398. The cubic root of 550633243 is about 819.6355920966.

Adding to 550633243 its reverse (342336055), we get a palindrome (892969298).

The spelling of 550633243 in words is "five hundred fifty million, six hundred thirty-three thousand, two hundred forty-three".