550021060 has 48 divisors (see below), whose sum is σ = 1225176624. Its totient is φ = 206696448.

The previous prime is 550021039. The next prime is 550021061. The reversal of 550021060 is 60120055.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12152196 + 537868864 = 3486^2 + 23192^2 .

It is not an unprimeable number, because it can be changed into a prime (550021061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256312 + ... + 258448.

It is an arithmetic number, because the mean of its divisors is an integer number (25524513).

Almost surely, 2^550021060 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 550021060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612588312).

550021060 is an abundant number, since it is smaller than the sum of its proper divisors (675155564).

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

550021060 is a wasteful number, since it uses less digits than its factorization.

550021060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 550021060 is about 23452.5277955277. The cubic root of 550021060 is about 819.3317279859.

The spelling of 550021060 in words is "five hundred fifty million, twenty-one thousand, sixty".