54639484 has 12 divisors (see below), whose sum is σ = 98703808. Its totient is φ = 26438400.

The previous prime is 54639461. The next prime is 54639499. The reversal of 54639484 is 48493645.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54639484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220197 + ... + 220444.

Almost surely, 2^54639484 is an apocalyptic number.

It is an amenable number.

54639484 is a deficient number, since it is larger than the sum of its proper divisors (44064324).

54639484 is a wasteful number, since it uses less digits than its factorization.

54639484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440676 (or 440674 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 54639484 is about 7391.8525418193. The cubic root of 54639484 is about 379.4624995420.

The spelling of 54639484 in words is "fifty-four million, six hundred thirty-nine thousand, four hundred eighty-four".