54747 has 24 divisors (see below), whose sum is σ = 99840. Its totient is φ = 28080.
The previous prime is 54727. The next prime is 54751. The reversal of 54747 is 74745.
It is not a de Polignac number, because 54747 - 212 = 50651 is a prime.
It is an alternating number because its digits alternate between odd and even.
54747 is a lucky number.
It is a plaindrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 54747.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654 + ... + 732.
It is an arithmetic number, because the mean of its divisors is an integer number (4160).
254747 is an apocalyptic number.
54747 is a deficient number, since it is larger than the sum of its proper divisors (45093).
54747 is a wasteful number, since it uses less digits than its factorization.
54747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103 (or 100 counting only the distinct ones).
The product of its digits is 3920, while the sum is 27.
The square root of 54747 is about 233.9807684405. The cubic root of 54747 is about 37.9711230290.
The spelling of 54747 in words is "fifty-four thousand, seven hundred forty-seven".
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