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53944 = 2311613
BaseRepresentation
bin1101001010111000
32201222221
431022320
53211234
61053424
7313162
oct151270
981887
1053944
1137590
1227274
131b727
1415932
1510eb4
hexd2b8

53944 has 16 divisors (see below), whose sum is σ = 110520. Its totient is φ = 24480.

The previous prime is 53939. The next prime is 53951. The reversal of 53944 is 44935.

53944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

53944 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, 219 + ... + 394.

253944 is an apocalyptic number.

It is an amenable number.

53944 is an abundant number, since it is smaller than the sum of its proper divisors (56576).

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 (55260).

53944 is a wasteful number, since it uses less digits than its factorization.

53944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 626 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 53944 is about 232.2584767021. The cubic root of 53944 is about 37.7845611297.

Subtracting from 53944 its reverse (44935), we obtain a palindrome (9009).

It can be divided in two parts, 539 and 44, that multiplied together give a square (23716 = 1542).

The spelling of 53944 in words is "fifty-three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 613 1226 2452 4904 6743 13486 26972 53944