553243133 has 4 divisors (see below), whose sum is σ = 554810748. Its totient is φ = 551675520.

The previous prime is 553243123. The next prime is 553243169. The reversal of 553243133 is 331342355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 428407204 + 124835929 = 20698^2 + 11173^2 .

It is a cyclic number.

It is not a de Polignac number, because 553243133 - 2¹⁴ = 553226749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553243096 and 553243105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553243123) 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, 783278 + ... + 783983.

It is an arithmetic number, because the mean of its divisors is an integer number (138702687).

Almost surely, 2^553243133 is an apocalyptic number.

It is an amenable number.

553243133 is a deficient number, since it is larger than the sum of its proper divisors (1567615).

553243133 is a wasteful number, since it uses less digits than its factorization.

553243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567614.

The product of its digits is 16200, while the sum is 29.

The square root of 553243133 is about 23521.1209979457. The cubic root of 553243133 is about 820.9285203799.

Adding to 553243133 its reverse (331342355), we get a palindrome (884585488).

The spelling of 553243133 in words is "five hundred fifty-three million, two hundred forty-three thousand, one hundred thirty-three".