54003421 has 2 divisors, whose sum is σ = 54003422. Its totient is φ = 54003420.

The previous prime is 54003419. The next prime is 54003427. The reversal of 54003421 is 12430045.

54003421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 7080921 = 6850^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 54003421 - 2¹ = 54003419 is a prime.

Together with 54003419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54003427) 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, 27001710 + 27001711.

It is an arithmetic number, because the mean of its divisors is an integer number (27001711).

Almost surely, 2^54003421 is an apocalyptic number.

It is an amenable number.

54003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54003421 is an equidigital number, since it uses as much as digits as its factorization.

54003421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 54003421 is about 7348.7019942300. The cubic root of 54003421 is about 377.9842966331.

Adding to 54003421 its reverse (12430045), we get a palindrome (66433466).

The spelling of 54003421 in words is "fifty-four million, three thousand, four hundred twenty-one".