54309139 has 2 divisors, whose sum is σ = 54309140. Its totient is φ = 54309138.

The previous prime is 54309127. The next prime is 54309191. The reversal of 54309139 is 93190345.

54309139 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 54309139 - 2¹¹ = 54307091 is a prime.

It is not a weakly prime, because it can be changed into another prime (54309839) 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, 27154569 + 27154570.

It is an arithmetic number, because the mean of its divisors is an integer number (27154570).

Almost surely, 2^54309139 is an apocalyptic number.

54309139 is a deficient number, since it is larger than the sum of its proper divisors (1).

54309139 is an equidigital number, since it uses as much as digits as its factorization.

54309139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 54309139 is about 7369.4734547320. The cubic root of 54309139 is about 378.6962220733.

The spelling of 54309139 in words is "fifty-four million, three hundred nine thousand, one hundred thirty-nine".