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55412 = 2271979
BaseRepresentation
bin1101100001110100
32211000022
431201310
53233122
61104312
7320360
oct154164
984008
1055412
11386a5
1228098
131c2b6
14162a0
1511642
hexd874

55412 has 12 divisors (see below), whose sum is σ = 110880. Its totient is φ = 23736.

The previous prime is 55411. The next prime is 55439. The reversal of 55412 is 21455.

55412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55412 is an admirable number.

It is a nialpdrome in base 16.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (9240).

255412 is an apocalyptic number.

It is an amenable number.

55412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (55440).

55412 is a wasteful number, since it uses less digits than its factorization.

55412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1988 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 55412 is about 235.3975360959. The cubic root of 55412 is about 38.1242470513.

Adding to 55412 its reverse (21455), we get a palindrome (76867).

The spelling of 55412 in words is "fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 1979 3958 7916 13853 27706 55412