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55234216 = 2319418863
BaseRepresentation
bin1101001010110…
…0111010101000
310211221012002201
43102230322220
5103114443331
65251505544
71240324462
oct322547250
9124835081
1055234216
11291a6314
12165b82b4
13b59b98b
14749b132
154cb0a61
hex34acea8

55234216 has 32 divisors (see below), whose sum is σ = 111686400. Its totient is φ = 25522560.

The previous prime is 55234199. The next prime is 55234217. The reversal of 55234216 is 61243255.

55234216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55234217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (3490200).

Almost surely, 255234216 is an apocalyptic number.

It is an amenable number.

55234216 is an abundant number, since it is smaller than the sum of its proper divisors (56452184).

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

55234216 is a wasteful number, since it uses less digits than its factorization.

55234216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929 (or 8925 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 55234216 is about 7431.9725510796. The cubic root of 55234216 is about 380.8343072509.

The spelling of 55234216 in words is "fifty-five million, two hundred thirty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 19 38 41 76 82 152 164 328 779 1558 3116 6232 8863 17726 35452 70904 168397 336794 363383 673588 726766 1347176 1453532 2907064 6904277 13808554 27617108 55234216