550504323 has 8 divisors (see below), whose sum is σ = 815562000. Its totient is φ = 367002864.

The previous prime is 550504307. The next prime is 550504327. The reversal of 550504323 is 323405055.

550504323 is a `hidden beast` number, since 550 + 50 + 43 + 23 = 666.

It is not a de Polignac number, because 550504323 - 2⁴ = 550504307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 20389049 = 550504323 / (5 + 5 + 0 + 5 + 0 + 4 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (550504327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10194498 + ... + 10194551.

It is an arithmetic number, because the mean of its divisors is an integer number (101945250).

Almost surely, 2^550504323 is an apocalyptic number.

550504323 is a deficient number, since it is larger than the sum of its proper divisors (265057677).

550504323 is a wasteful number, since it uses less digits than its factorization.

550504323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389058 (or 20389052 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 550504323 is about 23462.8285379236. The cubic root of 550504323 is about 819.5716198915.

Adding to 550504323 its reverse (323405055), we get a palindrome (873909378).

The spelling of 550504323 in words is "five hundred fifty million, five hundred four thousand, three hundred twenty-three".