550643122 has 16 divisors (see below), whose sum is σ = 847059840. Its totient is φ = 268318512.

The previous prime is 550643077. The next prime is 550643131. The reversal of 550643122 is 221346055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32904 + ... + 46732.

It is an arithmetic number, because the mean of its divisors is an integer number (52941240).

Almost surely, 2^550643122 is an apocalyptic number.

550643122 is a deficient number, since it is larger than the sum of its proper divisors (296416718).

550643122 is a wasteful number, since it uses less digits than its factorization.

550643122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14337.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 550643122 is about 23465.7862003386. The cubic root of 550643122 is about 819.6404938055.

Adding to 550643122 its reverse (221346055), we get a palindrome (771989177).

The spelling of 550643122 in words is "five hundred fifty million, six hundred forty-three thousand, one hundred twenty-two".