550346420 has 24 divisors (see below), whose sum is σ = 1244630184. Its totient is φ = 203204736.

The previous prime is 550346417. The next prime is 550346437. The reversal of 550346420 is 24643055.

550346420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119202724 + 431143696 = 10918^2 + 20764^2 .

It is a congruent number.

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, 1058099 + ... + 1058618.

It is an arithmetic number, because the mean of its divisors is an integer number (51859591).

Almost surely, 2^550346420 is an apocalyptic number.

It is an amenable number.

550346420 is an abundant number, since it is smaller than the sum of its proper divisors (694283764).

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

550346420 is a wasteful number, since it uses less digits than its factorization.

550346420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116739 (or 2116737 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 550346420 is about 23459.4633357202. The cubic root of 550346420 is about 819.4932522401.

Adding to 550346420 its reverse (24643055), we get a palindrome (574989475).

The spelling of 550346420 in words is "five hundred fifty million, three hundred forty-six thousand, four hundred twenty".