550612920 has 192 divisors, whose sum is σ = 1955993760. Its totient is φ = 123171840.

The previous prime is 550612891. The next prime is 550612921. The reversal of 550612920 is 29216055.

It is a happy number.

550612920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550612921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187302 + ... + 190218.

Almost surely, 2^550612920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550612920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977996880).

550612920 is an abundant number, since it is smaller than the sum of its proper divisors (1405380840).

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

550612920 is a wasteful number, since it uses less digits than its factorization.

550612920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 550612920 is about 23465.1426588461. The cubic root of 550612920 is about 819.6255081558.

Adding to 550612920 its reverse (29216055), we get a palindrome (579828975).

The spelling of 550612920 in words is "five hundred fifty million, six hundred twelve thousand, nine hundred twenty".