553324243 has 4 divisors (see below), whose sum is σ = 562702680. Its totient is φ = 543945808.

The previous prime is 553324241. The next prime is 553324253. The reversal of 553324243 is 342423355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342423355 = 5 ⋅68484671.

It is a cyclic number.

It is not a de Polignac number, because 553324243 - 2¹ = 553324241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553324241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4689130 + ... + 4689247.

It is an arithmetic number, because the mean of its divisors is an integer number (140675670).

Almost surely, 2^553324243 is an apocalyptic number.

553324243 is a deficient number, since it is larger than the sum of its proper divisors (9378437).

553324243 is an equidigital number, since it uses as much as digits as its factorization.

553324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378436.

The product of its digits is 43200, while the sum is 31.

The square root of 553324243 is about 23522.8451297882. The cubic root of 553324243 is about 820.9686367136.

Adding to 553324243 its reverse (342423355), we get a palindrome (895747598).

The spelling of 553324243 in words is "five hundred fifty-three million, three hundred twenty-four thousand, two hundred forty-three".