54487039 has 4 divisors (see below), whose sum is σ = 54503056. Its totient is φ = 54471024.

The previous prime is 54487019. The next prime is 54487049. The reversal of 54487039 is 93078445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54487039 - 2⁹ = 54486527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54486992 and 54487010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54487019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654 + ... + 10459.

It is an arithmetic number, because the mean of its divisors is an integer number (13625764).

Almost surely, 2^54487039 is an apocalyptic number.

54487039 is a deficient number, since it is larger than the sum of its proper divisors (16017).

54487039 is a wasteful number, since it uses less digits than its factorization.

54487039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16016.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 54487039 is about 7381.5336482333. The cubic root of 54487039 is about 379.1092687633.

The spelling of 54487039 in words is "fifty-four million, four hundred eighty-seven thousand, thirty-nine".