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55000555005050 = 2525374572783281
BaseRepresentation
bin11001000000101110100001…
…00010110010010001111010
321012202000001020121120100122
430200113100202302101322
524202112114040130200
6312550523421333242
714404442011561634
oct1440272042622172
9235660036546318
1055000555005050
1116585671491106
126203586707222
13248c6b778a8a5
14d82080983a54
15655a55e62385
hex3205d08b247a

55000555005050 has 48 divisors (see below), whose sum is σ = 104245255557432. Its totient is φ = 21582221107200.

The previous prime is 55000555005049. The next prime is 55000555005059. The reversal of 55000555005050 is 5050055500055.

It can be written as a sum of positive squares in 12 ways, for example, as 688828621849 + 54311726383201 = 829957^2 + 7369649^2 .

It is a super-2 number, since 2×550005550050502 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55000555005050.

It is not an unprimeable number, because it can be changed into a prime (55000555005059) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18369410 + ... + 21152690.

Almost surely, 255000555005050 is an apocalyptic number.

55000555005050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000555005050 is a deficient number, since it is larger than the sum of its proper divisors (49244700552382).

55000555005050 is a wasteful number, since it uses less digits than its factorization.

55000555005050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790803 (or 2790798 counting only the distinct ones).

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

The spelling of 55000555005050 in words is "fifty-five trillion, five hundred fifty-five million, five thousand, fifty".

Divisors: 1 2 5 10 25 50 53 106 265 530 1325 2650 7457 14914 37285 74570 186425 372850 395221 790442 1976105 2783281 3952210 5566562 9880525 13916405 19761050 27832810 69582025 139164050 147513893 295027786 737569465 1475138930 3687847325 7375694650 20754926417 41509852834 103774632085 207549264170 518873160425 1037746320850 1100011100101 2200022200202 5500055500505 11000111001010 27500277502525 55000555005050