54414221 has 6 divisors (see below), whose sum is σ = 55710990. Its totient is φ = 53146968.

The previous prime is 54414197. The next prime is 54414259. The reversal of 54414221 is 12241445.

It can be written as a sum of positive squares in only one way, i.e., 53436100 + 978121 = 7310^2 + 989^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54414221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54414281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12866 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (9285165).

Almost surely, 2^54414221 is an apocalyptic number.

It is an amenable number.

54414221 is a deficient number, since it is larger than the sum of its proper divisors (1296769).

54414221 is an equidigital number, since it uses as much as digits as its factorization.

54414221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29515 (or 29472 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 54414221 is about 7376.5995553507. The cubic root of 54414221 is about 378.9403094036.

Adding to 54414221 its reverse (12241445), we get a palindrome (66655666).

The spelling of 54414221 in words is "fifty-four million, four hundred fourteen thousand, two hundred twenty-one".