550263220 has 24 divisors (see below), whose sum is σ = 1244442024. Its totient is φ = 203174016.

The previous prime is 550263211. The next prime is 550263221. The reversal of 550263220 is 22362055.

It can be written as a sum of positive squares in 4 ways, for example, as 1860496 + 548402724 = 1364^2 + 23418^2 .

It is a super-2 number, since 2×550263220² = 605579222569536800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550263221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057939 + ... + 1058458.

It is an arithmetic number, because the mean of its divisors is an integer number (51851751).

Almost surely, 2^550263220 is an apocalyptic number.

It is an amenable number.

550263220 is an abundant number, since it is smaller than the sum of its proper divisors (694178804).

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

550263220 is a wasteful number, since it uses less digits than its factorization.

550263220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116419 (or 2116417 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 550263220 is about 23457.6899970990. The cubic root of 550263220 is about 819.4519538431.

The spelling of 550263220 in words is "five hundred fifty million, two hundred sixty-three thousand, two hundred twenty".