54227521 has 2 divisors, whose sum is σ = 54227522. Its totient is φ = 54227520.

The previous prime is 54227497. The next prime is 54227527. The reversal of 54227521 is 12572245.

54227521 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 can be written as a sum of positive squares in only one way, i.e., 40500496 + 13727025 = 6364^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 54227521 - 2¹³ = 54219329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54227521.

It is not a weakly prime, because it can be changed into another prime (54227527) 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, 27113760 + 27113761.

It is an arithmetic number, because the mean of its divisors is an integer number (27113761).

Almost surely, 2^54227521 is an apocalyptic number.

It is an amenable number.

54227521 is a deficient number, since it is larger than the sum of its proper divisors (1).

54227521 is an equidigital number, since it uses as much as digits as its factorization.

54227521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 28.

The square root of 54227521 is about 7363.9337992679. The cubic root of 54227521 is about 378.5064202263.

Adding to 54227521 its reverse (12572245), we get a palindrome (66799766).

The spelling of 54227521 in words is "fifty-four million, two hundred twenty-seven thousand, five hundred twenty-one".