550215323 has 32 divisors (see below), whose sum is σ = 660633600. Its totient is φ = 448550784.

The previous prime is 550215301. The next prime is 550215359. The reversal of 550215323 is 323512055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550215323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550215292 and 550215301.

It is not an unprimeable number, because it can be changed into a prime (550215023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2402573 + ... + 2402801.

It is an arithmetic number, because the mean of its divisors is an integer number (20644800).

Almost surely, 2^550215323 is an apocalyptic number.

550215323 is a deficient number, since it is larger than the sum of its proper divisors (110418277).

550215323 is a wasteful number, since it uses less digits than its factorization.

550215323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 550215323 is about 23456.6690516791. The cubic root of 550215323 is about 819.4281770834.

Adding to 550215323 its reverse (323512055), we get a palindrome (873727378).

The spelling of 550215323 in words is "five hundred fifty million, two hundred fifteen thousand, three hundred twenty-three".