54492839 has 4 divisors (see below), whose sum is σ = 54510456. Its totient is φ = 54475224.

The previous prime is 54492799. The next prime is 54492847. The reversal of 54492839 is 93829445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93829445 = 5 ⋅18765889.

It is a cyclic number.

It is not a de Polignac number, because 54492839 - 2⁸ = 54492583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54492839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54492899) 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, 2804 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (13627614).

Almost surely, 2^54492839 is an apocalyptic number.

54492839 is a deficient number, since it is larger than the sum of its proper divisors (17617).

54492839 is a wasteful number, since it uses less digits than its factorization.

54492839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616.

The product of its digits is 311040, while the sum is 44.

The square root of 54492839 is about 7381.9265100650. The cubic root of 54492839 is about 379.1227200096.

The spelling of 54492839 in words is "fifty-four million, four hundred ninety-two thousand, eight hundred thirty-nine".