54206543 has 2 divisors, whose sum is σ = 54206544. Its totient is φ = 54206542.

The previous prime is 54206527. The next prime is 54206549. The reversal of 54206543 is 34560245.

54206543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54206543 - 2⁴ = 54206527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54206549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27103271 + 27103272.

It is an arithmetic number, because the mean of its divisors is an integer number (27103272).

Almost surely, 2^54206543 is an apocalyptic number.

54206543 is a deficient number, since it is larger than the sum of its proper divisors (1).

54206543 is an equidigital number, since it uses as much as digits as its factorization.

54206543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 54206543 is about 7362.5092869211. The cubic root of 54206543 is about 378.4576053339.

Adding to 54206543 its reverse (34560245), we get a palindrome (88766788).

The spelling of 54206543 in words is "fifty-four million, two hundred six thousand, five hundred forty-three".