550510422 has 128 divisors (see below), whose sum is σ = 1504189440. Its totient is φ = 129884160.

The previous prime is 550510409. The next prime is 550510423. The reversal of 550510422 is 224015055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 550510392 and 550510401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550510423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226558 + ... + 228974.

It is an arithmetic number, because the mean of its divisors is an integer number (11751480).

Almost surely, 2^550510422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550510422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752094720).

550510422 is an abundant number, since it is smaller than the sum of its proper divisors (953679018).

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

550510422 is a wasteful number, since it uses less digits than its factorization.

550510422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 550510422 is about 23462.9585091054. The cubic root of 550510422 is about 819.5746465398.

Adding to 550510422 its reverse (224015055), we get a palindrome (774525477).

The spelling of 550510422 in words is "five hundred fifty million, five hundred ten thousand, four hundred twenty-two".