550531265 has 8 divisors (see below), whose sum is σ = 663209640. Its totient is φ = 438710272.

The previous prime is 550531259. The next prime is 550531277. The reversal of 550531265 is 562135055.

It can be written as a sum of positive squares in 4 ways, for example, as 352087696 + 198443569 = 18764^2 + 14087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550531265 - 2⁴ = 550531249 is a prime.

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, 212930 + ... + 215499.

It is an arithmetic number, because the mean of its divisors is an integer number (82901205).

Almost surely, 2^550531265 is an apocalyptic number.

It is an amenable number.

550531265 is a deficient number, since it is larger than the sum of its proper divisors (112678375).

550531265 is a wasteful number, since it uses less digits than its factorization.

550531265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428691.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 550531265 is about 23463.4026730992. The cubic root of 550531265 is about 819.5849897765.

The spelling of 550531265 in words is "five hundred fifty million, five hundred thirty-one thousand, two hundred sixty-five".