54490 has 8 divisors (see below), whose sum is σ = 98100. Its totient is φ = 21792.
The previous prime is 54469. The next prime is 54493. The reversal of 54490 is 9445.
It can be written as a sum of positive squares in 2 ways, for example, as 49729 + 4761 = 223^2 + 69^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (54493) 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, 2715 + ... + 2734.
254490 is an apocalyptic number.
54490 is a deficient number, since it is larger than the sum of its proper divisors (43610).
54490 is a wasteful number, since it uses less digits than its factorization.
54490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5456.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 54490 is about 233.4309319692. The cubic root of 54490 is about 37.9116135976.
The spelling of 54490 in words is "fifty-four thousand, four hundred ninety".
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