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55000055550055 = 5711434932848307
BaseRepresentation
bin11001000000101101100101…
…10001100001000001100111
321012201221202102210121220111
430200112302301201001213
524202110103210100210
6312550402100313451
714404423435354630
oct1440266261410147
9235657672717814
1055000055550055
1116585435567190
1262034673a2887
13248c6381668a5
14d820344d0887
15655a271a588a
hex3205b2c61067

55000055550055 has 32 divisors (see below), whose sum is σ = 82304720524800. Its totient is φ = 34277864277120.

The previous prime is 55000055550047. The next prime is 55000055550079. The reversal of 55000055550055 is 55005555000055.

It is not a de Polignac number, because 55000055550055 - 23 = 55000055550047 is a prime.

It is a super-2 number, since 2×550000555500552 (a number of 28 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 14749789 + ... + 18098518.

It is an arithmetic number, because the mean of its divisors is an integer number (2572022516400).

Almost surely, 255000055550055 is an apocalyptic number.

55000055550055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55000055550055 is a deficient number, since it is larger than the sum of its proper divisors (27304664974745).

55000055550055 is a wasteful number, since it uses less digits than its factorization.

55000055550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32852679.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55000055550055 in words is "fifty-five trillion, fifty-five million, five hundred fifty thousand, fifty-five".

Divisors: 1 5 7 11 35 55 77 385 4349 21745 30443 47839 152215 239195 334873 1674365 32848307 164241535 229938149 361331377 1149690745 1806656885 2529319639 12646598195 142857287143 714286435715 1000001010001 1571430158573 5000005050005 7857150792865 11000011110011 55000055550055