54005443 has 2 divisors, whose sum is σ = 54005444. Its totient is φ = 54005442.

The previous prime is 54005437. The next prime is 54005489. The reversal of 54005443 is 34450045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54005443 - 2¹⁷ = 53874371 is a prime.

It is not a weakly prime, because it can be changed into another prime (54005423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27002721 + 27002722.

It is an arithmetic number, because the mean of its divisors is an integer number (27002722).

Almost surely, 2^54005443 is an apocalyptic number.

54005443 is a deficient number, since it is larger than the sum of its proper divisors (1).

54005443 is an equidigital number, since it uses as much as digits as its factorization.

54005443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54005443 is about 7348.8395682584. The cubic root of 54005443 is about 377.9890140793.

Adding to 54005443 its reverse (34450045), we get a palindrome (88455488).

The spelling of 54005443 in words is "fifty-four million, five thousand, four hundred forty-three".