54015 has 16 divisors (see below), whose sum is σ = 93408. Its totient is φ = 26496.
The previous prime is 54013. The next prime is 54037. The reversal of 54015 is 51045.
It is not a de Polignac number, because 54015 - 21 = 54013 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 53985 and 54003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57 + ... + 333.
It is an arithmetic number, because the mean of its divisors is an integer number (5838).
254015 is an apocalyptic number.
54015 is a deficient number, since it is larger than the sum of its proper divisors (39393).
54015 is a wasteful number, since it uses less digits than its factorization.
54015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298.
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 54015 is about 232.4112733927. The cubic root of 54015 is about 37.8011309535.
It can be divided in two parts, 540 and 15, that multiplied together give a square (8100 = 902).
The spelling of 54015 in words is "fifty-four thousand, fifteen".
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