54320939 has 2 divisors, whose sum is σ = 54320940. Its totient is φ = 54320938.

The previous prime is 54320923. The next prime is 54320947. The reversal of 54320939 is 93902345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54320939 - 2⁴ = 54320923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54320899 and 54320908.

It is not a weakly prime, because it can be changed into another prime (54320909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160469 + 27160470.

It is an arithmetic number, because the mean of its divisors is an integer number (27160470).

Almost surely, 2^54320939 is an apocalyptic number.

54320939 is a deficient number, since it is larger than the sum of its proper divisors (1).

54320939 is an equidigital number, since it uses as much as digits as its factorization.

54320939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 54320939 is about 7370.2740111885. The cubic root of 54320939 is about 378.7236471188.

The spelling of 54320939 in words is "fifty-four million, three hundred twenty thousand, nine hundred thirty-nine".