550252213 has 6 divisors (see below), whose sum is σ = 640089366. Its totient is φ = 471644712.

The previous prime is 550252189. The next prime is 550252223. The reversal of 550252213 is 312252055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 436893604 + 113358609 = 20902^2 + 10647^2 .

It is not a de Polignac number, because 550252213 - 2⁵ = 550252181 is a prime.

It is a super-2 number, since 2×550252213² = 605554995822794738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550252223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5614770 + ... + 5614867.

It is an arithmetic number, because the mean of its divisors is an integer number (106681561).

Almost surely, 2^550252213 is an apocalyptic number.

It is an amenable number.

550252213 is a deficient number, since it is larger than the sum of its proper divisors (89837153).

550252213 is a wasteful number, since it uses less digits than its factorization.

550252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229651 (or 11229644 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550252213 is about 23457.4553820315. The cubic root of 550252213 is about 819.4464899321.

The spelling of 550252213 in words is "five hundred fifty million, two hundred fifty-two thousand, two hundred thirteen".