54346921 has 2 divisors, whose sum is σ = 54346922. Its totient is φ = 54346920.

The previous prime is 54346867. The next prime is 54346931. The reversal of 54346921 is 12964345.

It is a happy number.

54346921 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., 52417600 + 1929321 = 7240^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 54346921 - 2¹³ = 54338729 is a prime.

It is not a weakly prime, because it can be changed into another prime (54346931) 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, 27173460 + 27173461.

It is an arithmetic number, because the mean of its divisors is an integer number (27173461).

Almost surely, 2^54346921 is an apocalyptic number.

It is an amenable number.

54346921 is a deficient number, since it is larger than the sum of its proper divisors (1).

54346921 is an equidigital number, since it uses as much as digits as its factorization.

54346921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 54346921 is about 7372.0364215053. The cubic root of 54346921 is about 378.7840193531.

The spelling of 54346921 in words is "fifty-four million, three hundred forty-six thousand, nine hundred twenty-one".