54507239 has 2 divisors, whose sum is σ = 54507240. Its totient is φ = 54507238.

The previous prime is 54507157. The next prime is 54507251. The reversal of 54507239 is 93270545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54507239 - 2¹² = 54503143 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54507199 and 54507208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54507259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27253619 + 27253620.

It is an arithmetic number, because the mean of its divisors is an integer number (27253620).

Almost surely, 2^54507239 is an apocalyptic number.

54507239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54507239 is an equidigital number, since it uses as much as digits as its factorization.

54507239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 54507239 is about 7382.9018007827. The cubic root of 54507239 is about 379.1561120813.

The spelling of 54507239 in words is "fifty-four million, five hundred seven thousand, two hundred thirty-nine".