550606225 has 45 divisors (see below), whose sum is σ = 780383553. Its totient is φ = 385201440.

The previous prime is 550606219. The next prime is 550606229. The reversal of 550606225 is 522606055.

The square root of 550606225 is 23465.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 141919569 + 408686656 = 11913^2 + 20216^2 .

It is not a de Polignac number, because 550606225 - 2¹³ = 550598033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550606229) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 28979266 + ... + 28979284.

Almost surely, 2^550606225 is an apocalyptic number.

550606225 is the 23465-th square number.

550606225 is the 11733-rd centered octagonal number.

It is an amenable number.

550606225 is a deficient number, since it is larger than the sum of its proper divisors (229777328).

550606225 is an frugal number, since it uses more digits than its factorization.

550606225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The cubic root of 550606225 is about 819.6221861518.

The spelling of 550606225 in words is "five hundred fifty million, six hundred six thousand, two hundred twenty-five".