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55240160 = 255675153
BaseRepresentation
bin1101001010111…
…0010111100000
310211221111020212
43102232113200
5103120141120
65251553252
71240351013
oct322562740
9124844225
1055240160
11291aa828
12165bb828
13b5a15b1
14749d37a
154cb26c5
hex34ae5e0

55240160 has 48 divisors (see below), whose sum is σ = 132478416. Its totient is φ = 21762048.

The previous prime is 55240153. The next prime is 55240177. The reversal of 55240160 is 6104255.

55240160 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.

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, 8144 + ... + 13296.

It is an arithmetic number, because the mean of its divisors is an integer number (2759967).

Almost surely, 255240160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55240160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66239208).

55240160 is an abundant number, since it is smaller than the sum of its proper divisors (77238256).

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

55240160 is a wasteful number, since it uses less digits than its factorization.

55240160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55240160 is about 7432.3724341559. The cubic root of 55240160 is about 380.8479678529.

The spelling of 55240160 in words is "fifty-five million, two hundred forty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 67 80 134 160 268 335 536 670 1072 1340 2144 2680 5153 5360 10306 10720 20612 25765 41224 51530 82448 103060 164896 206120 345251 412240 690502 824480 1381004 1726255 2762008 3452510 5524016 6905020 11048032 13810040 27620080 55240160