54021923 has 2 divisors, whose sum is σ = 54021924. Its totient is φ = 54021922.

The previous prime is 54021907. The next prime is 54021967. The reversal of 54021923 is 32912045.

54021923 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 is a cyclic number.

It is not a de Polignac number, because 54021923 - 2⁴ = 54021907 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 54021892 and 54021901.

It is not a weakly prime, because it can be changed into another prime (54021323) 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, 27010961 + 27010962.

It is an arithmetic number, because the mean of its divisors is an integer number (27010962).

Almost surely, 2^54021923 is an apocalyptic number.

54021923 is a deficient number, since it is larger than the sum of its proper divisors (1).

54021923 is an equidigital number, since it uses as much as digits as its factorization.

54021923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 54021923 is about 7349.9607481945. The cubic root of 54021923 is about 378.0274585094.

Adding to 54021923 its reverse (32912045), we get a palindrome (86933968).

The spelling of 54021923 in words is "fifty-four million, twenty-one thousand, nine hundred twenty-three".