550422520 has 32 divisors (see below), whose sum is σ = 1258758720. Its totient is φ = 216558720.

The previous prime is 550422517. The next prime is 550422529. The reversal of 550422520 is 25224055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550422529) 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, 110352 + ... + 115231.

It is an arithmetic number, because the mean of its divisors is an integer number (39336210).

Almost surely, 2^550422520 is an apocalyptic number.

It is an amenable number.

550422520 is an abundant number, since it is smaller than the sum of its proper divisors (708336200).

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

550422520 is a wasteful number, since it uses less digits than its factorization.

550422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225655 (or 225651 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 550422520 is about 23461.0852263914. The cubic root of 550422520 is about 819.5310227303.

Adding to 550422520 its reverse (25224055), we get a palindrome (575646575).

The spelling of 550422520 in words is "five hundred fifty million, four hundred twenty-two thousand, five hundred twenty".