54613 has 4 divisors (see below), whose sum is σ = 58828. Its totient is φ = 50400.
The previous prime is 54601. The next prime is 54617. The reversal of 54613 is 31645.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31645 = 5 ⋅6329.
It can be written as a sum of positive squares in 2 ways, for example, as 5329 + 49284 = 73^2 + 222^2 .
It is a cyclic number.
It is not a de Polignac number, because 54613 - 25 = 54581 is a prime.
It is a Duffinian number.
It is a plaindrome in base 15.
It is a nialpdrome in base 4 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54617) 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, 2088 + ... + 2113.
It is an arithmetic number, because the mean of its divisors is an integer number (14707).
254613 is an apocalyptic number.
It is an amenable number.
54613 is a deficient number, since it is larger than the sum of its proper divisors (4215).
54613 is a wasteful number, since it uses less digits than its factorization.
54613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4214.
The product of its digits is 360, while the sum is 19.
The square root of 54613 is about 233.6942446874. The cubic root of 54613 is about 37.9401180582.
The spelling of 54613 in words is "fifty-four thousand, six hundred thirteen".
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