55324543 has 2 divisors, whose sum is σ = 55324544. Its totient is φ = 55324542.

The previous prime is 55324541. The next prime is 55324559. The reversal of 55324543 is 34542355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55324543 - 2¹ = 55324541 is a prime.

Together with 55324541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55324541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27662271 + 27662272.

It is an arithmetic number, because the mean of its divisors is an integer number (27662272).

Almost surely, 2^55324543 is an apocalyptic number.

55324543 is a deficient number, since it is larger than the sum of its proper divisors (1).

55324543 is an equidigital number, since it uses as much as digits as its factorization.

55324543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55324543 is about 7438.0469882893. The cubic root of 55324543 is about 381.0417926843.

Adding to 55324543 its reverse (34542355), we get a palindrome (89866898).

The spelling of 55324543 in words is "fifty-five million, three hundred twenty-four thousand, five hundred forty-three".