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55729360344100 = 2252172439132
BaseRepresentation
bin11001010101111100000001…
…01110100001010000100100
321022022200012221102210201211
430222332000232201100210
524301032212222002400
6314305414213201204
714511212334003532
oct1452760056412044
9238280187383654
1055729360344100
1116836764064333
126300882030204
132513343947641
14da945b793152
156699add0edba
hex32af80ba1424

55729360344100 has 81 divisors (see below), whose sum is σ = 128467778681977. Its totient is φ = 20979987297280.

The previous prime is 55729360344089. The next prime is 55729360344127. The reversal of 55729360344100 is 144306392755.

The square root of 55729360344100 is 7465210.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 6480517210596 + 49248843133504 = 2545686^2 + 7017752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1269063744 + ... + 1269107656.

Almost surely, 255729360344100 is an apocalyptic number.

55729360344100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55729360344100 is the 7465210-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55729360344100

55729360344100 is an abundant number, since it is smaller than the sum of its proper divisors (72738418337877).

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

55729360344100 is an frugal number, since it uses more digits than its factorization.

55729360344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87874 (or 43937 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 55729360344100 in words is "fifty-five trillion, seven hundred twenty-nine billion, three hundred sixty million, three hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 2890 5780 7225 14450 28900 43913 87826 175652 219565 439130 746521 878260 1097825 1493042 2195650 2986084 3732605 4391300 7465210 12690857 14930420 18663025 25381714 37326050 50763428 63454285 74652100 126908570 253817140 317271425 634542850 1269085700 1928351569 3856703138 7713406276 9641757845 19283515690 32781976673 38567031380 48208789225 65563953346 96417578450 131127906692 163909883365 192835156900 327819766730 557293603441 655639533460 819549416825 1114587206882 1639098833650 2229174413764 2786468017205 3278197667300 5572936034410 11145872068820 13932340086025 27864680172050 55729360344100