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55628160 = 273574139
BaseRepresentation
bin1101010000110…
…1000110000000
310212200012111020
43110031012000
5103220100120
65304145440
71243555140
oct324150600
9125605436
1055628160
1129445295
1216768280
13b6a9093
147560920
154d3c640
hex350d180

55628160 has 128 divisors (see below), whose sum is σ = 202694400. Its totient is φ = 12711936.

The previous prime is 55628149. The next prime is 55628171. The reversal of 55628160 is 6182655.

It is an interprime number because it is at equal distance from previous prime (55628149) and next prime (55628171).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11371 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (1583550).

Almost surely, 255628160 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 55628160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101347200).

55628160 is an abundant number, since it is smaller than the sum of its proper divisors (147066240).

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

55628160 is a wasteful number, since it uses less digits than its factorization.

55628160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4156 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 55628160 is about 7458.4287889608. The cubic root of 55628160 is about 381.7375645092.

The spelling of 55628160 in words is "fifty-five million, six hundred twenty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4139 4480 6720 8278 12417 13440 16556 20695 24834 28973 33112 41390 49668 57946 62085 66224 82780 86919 99336 115892 124170 132448 144865 165560 173838 198672 231784 248340 264896 289730 331120 347676 397344 434595 463568 496680 529792 579460 662240 695352 794688 869190 927136 993360 1158920 1324480 1390704 1589376 1738380 1854272 1986720 2317840 2648960 2781408 3476760 3708544 3973440 4635680 5562816 6953520 7946880 9271360 11125632 13907040 18542720 27814080 55628160