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54510021160 = 23572327730557
BaseRepresentation
bin110010110001000011…
…001110101000101000
312012200220012222120121
4302301003032220220
51343114031134120
641012550533024
73636544351330
oct626103165050
9165626188517
1054510021160
1121132538771
12a693367174
1351a92448ba
1428d16c80c0
1516407b25aa
hexcb10cea28

54510021160 has 128 divisors (see below), whose sum is σ = 146795742720. Its totient is φ = 17811459072.

The previous prime is 54510021119. The next prime is 54510021239. The reversal of 54510021160 is 6112001545.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1768602 + ... + 1799158.

It is an arithmetic number, because the mean of its divisors is an integer number (1146841740).

Almost surely, 254510021160 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 54510021160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73397871360).

54510021160 is an abundant number, since it is smaller than the sum of its proper divisors (92285721560).

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

54510021160 is a wasteful number, since it uses less digits than its factorization.

54510021160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30875 (or 30871 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 54510021160 in words is "fifty-four billion, five hundred ten million, twenty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 277 280 322 460 554 644 805 920 1108 1288 1385 1610 1939 2216 2770 3220 3878 5540 6371 6440 7756 9695 11080 12742 15512 19390 25484 30557 31855 38780 44597 50968 61114 63710 77560 89194 122228 127420 152785 178388 213899 222985 244456 254840 305570 356776 427798 445970 611140 702811 855596 891940 1069495 1222280 1405622 1711192 1783880 2138990 2811244 3514055 4277980 4919677 5622488 7028110 8464289 8555960 9839354 14056220 16928578 19678708 24598385 28112440 33857156 39357416 42321445 49196770 59250023 67714312 84642890 98393540 118500046 169285780 194678647 196787080 237000092 296250115 338571560 389357294 474000184 592500230 778714588 973393235 1185000460 1362750529 1557429176 1946786470 2370000920 2725501058 3893572940 5451002116 6813752645 7787145880 10902004232 13627505290 27255010580 54510021160