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50055505555550 = 252111571231470903
BaseRepresentation
bin10110110000110011101001…
…01000001011000001011110
320120020021000020122122011112
423120121310220023001132
523030102133410234200
6254243103134022022
713354251043024205
oct1330316450130136
9216207006578145
1050055505555550
1114a49469a3a550
125745113647912
1321c12a1ca0281
14c509b11da23c
155bc0d2a20535
hex2d8674a0b05e

50055505555550 has 96 divisors (see below), whose sum is σ = 102297346550784. Its totient is φ = 18071335152000.

The previous prime is 50055505555541. The next prime is 50055505555553. The reversal of 50055505555550 is 5555550555005.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055505555553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106061399 + ... + 106532301.

It is an arithmetic number, because the mean of its divisors is an integer number (1065597359904).

Almost surely, 250055505555550 is an apocalyptic number.

50055505555550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50055505555550 is an abundant number, since it is smaller than the sum of its proper divisors (52241840995234).

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

50055505555550 is a wasteful number, since it uses less digits than its factorization.

50055505555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472314 (or 472309 counting only the distinct ones).

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 50055505555550 in words is "fifty trillion, fifty-five billion, five hundred five million, five hundred fifty-five thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 157 275 314 550 785 1231 1570 1727 2462 3454 3925 6155 7850 8635 12310 13541 17270 27082 30775 43175 61550 67705 86350 135410 193267 338525 386534 470903 677050 941806 966335 1932670 2125937 2354515 4251874 4709030 4831675 5179933 9663350 10359866 10629685 11772575 21259370 23545150 25899665 51799330 53148425 73931771 106296850 129498325 147863542 258996650 369658855 579681593 739317710 813249481 1159363186 1626498962 1848294275 2898407965 3696588550 4066247405 5796815930 6376497523 8132494810 12752995046 14492039825 20331237025 28984079650 31882487615 40662474050 63764975230 91010010101 159412438075 182020020202 318824876150 455050050505 910100101010 1001110111111 2002220222222 2275250252525 4550500505050 5005550555555 10011101111110 25027752777775 50055505555550