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54690 = 2351823
BaseRepresentation
bin1101010110100010
32210000120
431112202
53222230
61101110
7315306
oct152642
983016
1054690
11380a9
1227796
131bb7c
1415d06
1511310
hexd5a2

54690 has 16 divisors (see below), whose sum is σ = 131328. Its totient is φ = 14576.

The previous prime is 54679. The next prime is 54709. The reversal of 54690 is 9645.

54690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×546902 = 5981992200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 54690.

It is an unprimeable number.

54690 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, 882 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (8208).

254690 is an apocalyptic number.

54690 is an abundant number, since it is smaller than the sum of its proper divisors (76638).

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 (65664).

54690 is a wasteful number, since it uses less digits than its factorization.

54690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 54690 is about 233.8589318371. The cubic root of 54690 is about 37.9579405375.

It can be divided in two parts, 546 and 90, that added together give a palindrome (636).

The spelling of 54690 in words is "fifty-four thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1823 3646 5469 9115 10938 18230 27345 54690