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50550055550000 = 24559829102859
BaseRepresentation
bin10110111111001100110100…
…00110101011110000110000
320121222112112021201101021122
423133212122012223300300
523111203003210100000
6255302212552441412
713435056333434546
oct1337463206536060
9217875467641248
1050550055550000
111511a181580126
125804b333a9268
132228b07c90096
14c6a8c869bd96
155c9dc9e5c085
hex2df99a1abc30

50550055550000 has 120 divisors (see below), whose sum is σ = 122431725586800. Its totient is φ = 20217768480000.

The previous prime is 50550055549999. The next prime is 50550055550077. The reversal of 50550055550000 is 5555005505.

It is a super-2 number, since 2×505500555500002 (a number of 28 digits) contains 22 as substring.

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, 491398571 + ... + 491501429.

It is an arithmetic number, because the mean of its divisors is an integer number (1020264379890).

Almost surely, 250550055550000 is an apocalyptic number.

50550055550000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50550055550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61215862793400).

50550055550000 is an abundant number, since it is smaller than the sum of its proper divisors (71881670036800).

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

50550055550000 is an equidigital number, since it uses as much as digits as its factorization.

50550055550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112721 (or 112695 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 50550055550000 in words is "fifty trillion, five hundred fifty billion, fifty-five million, five hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 3125 5000 6250 9829 10000 12500 19658 25000 39316 49145 50000 78632 98290 102859 157264 196580 205718 245725 393160 411436 491450 514295 786320 822872 982900 1028590 1228625 1645744 1965800 2057180 2457250 2571475 3931600 4114360 4914500 5142950 6143125 8228720 9829000 10285900 12286250 12857375 19658000 20571800 24572500 25714750 30715625 41143600 49145000 51429500 61431250 64286875 98290000 102859000 122862500 128573750 205718000 245725000 257147500 321434375 491450000 514295000 642868750 1011001111 1028590000 1285737500 2022002222 2571475000 4044004444 5055005555 5142950000 8088008888 10110011110 16176017776 20220022220 25275027775 40440044440 50550055550 80880088880 101100111100 126375138875 202200222200 252750277750 404400444400 505500555500 631875694375 1011001111000 1263751388750 2022002222000 2527502777500 3159378471875 5055005555000 6318756943750 10110011110000 12637513887500 25275027775000 50550055550000