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54318 = 2311823
BaseRepresentation
bin1101010000101110
32202111210
431100232
53214233
61055250
7314235
oct152056
982453
1054318
11378a0
1227526
131b954
1415b1c
1511163
hexd42e

54318 has 16 divisors (see below), whose sum is σ = 118656. Its totient is φ = 16440.

The previous prime is 54311. The next prime is 54319. The reversal of 54318 is 81345.

54318 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54294 and 54303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54311) by changing a digit.

54318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346 + ... + 477.

It is an arithmetic number, because the mean of its divisors is an integer number (7416).

254318 is an apocalyptic number.

54318 is an abundant number, since it is smaller than the sum of its proper divisors (64338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59328).

54318 is a wasteful number, since it uses less digits than its factorization.

54318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839.

The product of its digits is 480, while the sum is 21.

The square root of 54318 is about 233.0622234512. The cubic root of 54318 is about 37.8716816795.

It can be divided in two parts, 543 and 18, that added together give a triangular number (561 = T33).

The spelling of 54318 in words is "fifty-four thousand, three hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 823 1646 2469 4938 9053 18106 27159 54318