54418 has 24 divisors (see below), whose sum is σ = 105408. Its totient is φ = 20592.
The previous prime is 54413. The next prime is 54419. The reversal of 54418 is 81445.
It is a super-2 number, since 2×544182 = 5922637448, which contains 22 as substring.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (54413) by changing a digit.
54418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2355 + ... + 2377.
It is an arithmetic number, because the mean of its divisors is an integer number (4392).
254418 is an apocalyptic number.
54418 is a deficient number, since it is larger than the sum of its proper divisors (50990).
54418 is a wasteful number, since it uses less digits than its factorization.
54418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58 (or 45 counting only the distinct ones).
The product of its digits is 640, while the sum is 22.
The square root of 54418 is about 233.2766597840. The cubic root of 54418 is about 37.8949081512.
The spelling of 54418 in words is "fifty-four thousand, four hundred eighteen".
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