550530225 has 72 divisors (see below), whose sum is σ = 1186303040. Its totient is φ = 238412160.

The previous prime is 550530217. The next prime is 550530257. The reversal of 550530225 is 522035055.

It is not a de Polignac number, because 550530225 - 2³ = 550530217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20727 + ... + 39123.

Almost surely, 2^550530225 is an apocalyptic number.

It is an amenable number.

550530225 is an abundant number, since it is smaller than the sum of its proper divisors (635772815).

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

550530225 is a wasteful number, since it uses less digits than its factorization.

550530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439 (or 18431 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 550530225 is about 23463.3805109153. The cubic root of 550530225 is about 819.5844736878.

The spelling of 550530225 in words is "five hundred fifty million, five hundred thirty thousand, two hundred twenty-five".