550213000 has 32 divisors (see below), whose sum is σ = 1287500760. Its totient is φ = 220084800.

The previous prime is 550212983. The next prime is 550213021. The reversal of 550213000 is 312055.

It can be written as a sum of positive squares in 4 ways, for example, as 18541636 + 531671364 = 4306^2 + 23058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274107 + ... + 276106.

Almost surely, 2^550213000 is an apocalyptic number.

550213000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550213000 is an abundant number, since it is smaller than the sum of its proper divisors (737287760).

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

550213000 is a wasteful number, since it uses less digits than its factorization.

550213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550234 (or 550220 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 550213000 is about 23456.6195347923. The cubic root of 550213000 is about 819.4270238777.

Adding to 550213000 its reverse (312055), we get a palindrome (550525055).

The spelling of 550213000 in words is "five hundred fifty million, two hundred thirteen thousand".