54000521 has 2 divisors, whose sum is σ = 54000522. Its totient is φ = 54000520.

The previous prime is 54000473. The next prime is 54000533. The reversal of 54000521 is 12500045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 929296 = 7285^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 54000521 - 2²² = 49806217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54000521.

It is not a weakly prime, because it can be changed into another prime (54002521) 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, 27000260 + 27000261.

It is an arithmetic number, because the mean of its divisors is an integer number (27000261).

Almost surely, 2^54000521 is an apocalyptic number.

It is an amenable number.

54000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

54000521 is an equidigital number, since it uses as much as digits as its factorization.

54000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 54000521 is about 7348.5046778239. The cubic root of 54000521 is about 377.9775305550.

Adding to 54000521 its reverse (12500045), we get a palindrome (66500566).

The spelling of 54000521 in words is "fifty-four million, five hundred twenty-one", and thus it is an aban number.