54548321 has 2 divisors, whose sum is σ = 54548322. Its totient is φ = 54548320.

The previous prime is 54548317. The next prime is 54548339. The reversal of 54548321 is 12384545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37075921 + 17472400 = 6089^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 54548321 - 2² = 54548317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54548371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27274160 + 27274161.

It is an arithmetic number, because the mean of its divisors is an integer number (27274161).

Almost surely, 2^54548321 is an apocalyptic number.

It is an amenable number.

54548321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54548321 is an equidigital number, since it uses as much as digits as its factorization.

54548321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 54548321 is about 7385.6835161006. The cubic root of 54548321 is about 379.2513445678.

The spelling of 54548321 in words is "fifty-four million, five hundred forty-eight thousand, three hundred twenty-one".