553216323 has 16 divisors (see below), whose sum is σ = 806461056. Its totient is φ = 334539840.

The previous prime is 553216319. The next prime is 553216343. The reversal of 553216323 is 323612355.

It is not a de Polignac number, because 553216323 - 2² = 553216319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553216343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3261 + ... + 33422.

It is an arithmetic number, because the mean of its divisors is an integer number (50403816).

Almost surely, 2^553216323 is an apocalyptic number.

553216323 is a deficient number, since it is larger than the sum of its proper divisors (253244733).

553216323 is a wasteful number, since it uses less digits than its factorization.

553216323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154.

The product of its digits is 16200, while the sum is 30.

The square root of 553216323 is about 23520.5510777277. The cubic root of 553216323 is about 820.9152595139.

Adding to 553216323 its reverse (323612355), we get a palindrome (876828678).

The spelling of 553216323 in words is "five hundred fifty-three million, two hundred sixteen thousand, three hundred twenty-three".