550451020 has 96 divisors (see below), whose sum is σ = 1351139328. Its totient is φ = 184488192.

The previous prime is 550451009. The next prime is 550451039. The reversal of 550451020 is 20154055.

550451020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 550450982 and 550451000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475554 + ... + 1475926.

It is an arithmetic number, because the mean of its divisors is an integer number (14074368).

Almost surely, 2^550451020 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 550451020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675569664).

550451020 is an abundant number, since it is smaller than the sum of its proper divisors (800688308).

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

550451020 is a wasteful number, since it uses less digits than its factorization.

550451020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 550451020 is about 23461.6926073120. The cubic root of 550451020 is about 819.5451671558.

It can be divided in two parts, 55045 and 1020, that added together give a palindrome (56065).

The spelling of 550451020 in words is "five hundred fifty million, four hundred fifty-one thousand, twenty".