54001643 has 2 divisors, whose sum is σ = 54001644. Its totient is φ = 54001642.

The previous prime is 54001613. The next prime is 54001663. The reversal of 54001643 is 34610045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54001643 - 2¹⁴ = 53985259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54001603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27000821 + 27000822.

It is an arithmetic number, because the mean of its divisors is an integer number (27000822).

Almost surely, 2^54001643 is an apocalyptic number.

54001643 is a deficient number, since it is larger than the sum of its proper divisors (1).

54001643 is an equidigital number, since it uses as much as digits as its factorization.

54001643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54001643 is about 7348.5810194894. The cubic root of 54001643 is about 377.9801483560.

Adding to 54001643 its reverse (34610045), we get a palindrome (88611688).

The spelling of 54001643 in words is "fifty-four million, one thousand, six hundred forty-three".