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55237148 = 2217271673
BaseRepresentation
bin1101001010110…
…1101000011100
310211221100010022
43102231220130
5103120042043
65251531312
71240336151
oct322555034
9124840108
1055237148
11291a853a
12165b9b38
13b5a0105
14749c228
154cb1868
hex34ada1c

55237148 has 36 divisors (see below), whose sum is σ = 104286672. Its totient is φ = 25589760.

The previous prime is 55237139. The next prime is 55237151. The reversal of 55237148 is 84173255.

It is a happy number.

55237148 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 2×552371482 = 6102285038347808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 81740 + ... + 82412.

It is an arithmetic number, because the mean of its divisors is an integer number (2896852).

Almost surely, 255237148 is an apocalyptic number.

It is an amenable number.

55237148 is a deficient number, since it is larger than the sum of its proper divisors (49049524).

55237148 is a wasteful number, since it uses less digits than its factorization.

55237148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 763 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 55237148 is about 7432.1698043035. The cubic root of 55237148 is about 380.8410457457.

The spelling of 55237148 in words is "fifty-five million, two hundred thirty-seven thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 71 142 284 289 578 673 1156 1207 1346 2414 2692 4828 11441 20519 22882 41038 45764 47783 82076 95566 191132 194497 388994 777988 812311 1624622 3249244 13809287 27618574 55237148