54508439 has 4 divisors (see below), whose sum is σ = 54523224. Its totient is φ = 54493656.

The previous prime is 54508427. The next prime is 54508451. The reversal of 54508439 is 93480545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (54508427) and next prime (54508451).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54508439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54508469) 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 in 3 ways as a sum of consecutive naturals, for example, 3149 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (13630806).

Almost surely, 2^54508439 is an apocalyptic number.

54508439 is a deficient number, since it is larger than the sum of its proper divisors (14785).

54508439 is an equidigital number, since it uses as much as digits as its factorization.

54508439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 54508439 is about 7382.9830691936. The cubic root of 54508439 is about 379.1588944884.

The spelling of 54508439 in words is "fifty-four million, five hundred eight thousand, four hundred thirty-nine".