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55755360 = 25325311249
BaseRepresentation
bin1101010010110…
…0001001100000
310212220122222100
43110230021200
5103233132420
65311010400
71244625033
oct324541140
9125818870
1055755360
1129521911
1216809a00
13b721c4b
14759501a
154d65190
hex352c260

55755360 has 144 divisors (see below), whose sum is σ = 196560000. Its totient is φ = 14376960.

The previous prime is 55755341. The next prime is 55755373. The reversal of 55755360 is 6355755.

55755360 is a `hidden beast` number, since 55 + 75 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44016 + ... + 45264.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 255755360 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 55755360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98280000).

55755360 is an abundant number, since it is smaller than the sum of its proper divisors (140804640).

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

55755360 is a wasteful number, since it uses less digits than its factorization.

55755360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55755360 is about 7466.9511850554. The cubic root of 55755360 is about 382.0283048752.

The spelling of 55755360 in words is "fifty-five million, seven hundred fifty-five thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 72 80 90 93 96 120 124 144 155 160 180 186 240 248 279 288 310 360 372 465 480 496 558 620 720 744 930 992 1116 1240 1249 1395 1440 1488 1860 2232 2480 2498 2790 2976 3720 3747 4464 4960 4996 5580 6245 7440 7494 8928 9992 11160 11241 12490 14880 14988 18735 19984 22320 22482 24980 29976 37470 38719 39968 44640 44964 49960 56205 59952 74940 77438 89928 99920 112410 116157 119904 149880 154876 179856 193595 199840 224820 232314 299760 309752 348471 359712 387190 449640 464628 580785 599520 619504 696942 774380 899280 929256 1161570 1239008 1393884 1548760 1742355 1798560 1858512 2323140 2787768 3097520 3484710 3717024 4646280 5575536 6195040 6969420 9292560 11151072 13938840 18585120 27877680 55755360