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54744 = 2332281
BaseRepresentation
bin1101010111011000
32210002120
431113120
53222434
61101240
7315414
oct152730
983076
1054744
1138148
1227820
131bbc1
1415d44
1511349
hexd5d8

54744 has 16 divisors (see below), whose sum is σ = 136920. Its totient is φ = 18240.

The previous prime is 54727. The next prime is 54751. The reversal of 54744 is 44745.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2281 = 54744 / (5 + 4 + 7 + 4 + 4).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

54744 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 3 ways as a sum of consecutive naturals, for example, 1117 + ... + 1164.

254744 is an apocalyptic number.

It is an amenable number.

54744 is an abundant number, since it is smaller than the sum of its proper divisors (82176).

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 (68460).

54744 is a wasteful number, since it uses less digits than its factorization.

54744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2286 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 54744 is about 233.9743575694. The cubic root of 54744 is about 37.9704294419.

Subtracting from 54744 its reverse (44745), we obtain a palindrome (9999).

The spelling of 54744 in words is "fifty-four thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2281 4562 6843 9124 13686 18248 27372 54744