553240543 has 2 divisors, whose sum is σ = 553240544. Its totient is φ = 553240542.

The previous prime is 553240517. The next prime is 553240547. The reversal of 553240543 is 345042355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553240543 - 2²⁹ = 16369631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553240547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276620271 + 276620272.

It is an arithmetic number, because the mean of its divisors is an integer number (276620272).

Almost surely, 2^553240543 is an apocalyptic number.

553240543 is a deficient number, since it is larger than the sum of its proper divisors (1).

553240543 is an equidigital number, since it uses as much as digits as its factorization.

553240543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 553240543 is about 23521.0659409815. The cubic root of 553240543 is about 820.9272393227.

Adding to 553240543 its reverse (345042355), we get a palindrome (898282898).

The spelling of 553240543 in words is "five hundred fifty-three million, two hundred forty thousand, five hundred forty-three".