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55705555550755 = 51122291889212851
BaseRepresentation
bin11001010101001111101011…
…10110011100001000100011
321022020101202221112000020001
430222213311312130020203
524300134434210111010
6314250440130000431
714506410411414625
oct1452476566341043
9238211687460201
1055705555550755
111682765895a800
1262b8139a16117
13251101bc178c6
14da824004cc15
1566906902cc3a
hex32a9f5d9c223

55705555550755 has 48 divisors (see below), whose sum is σ = 73836357991200. Its totient is φ = 40314675456000.

The previous prime is 55705555550741. The next prime is 55705555550779.

55705555550755 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-55705555550755 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261605080 + ... + 261817930.

It is an arithmetic number, because the mean of its divisors is an integer number (1538257458150).

Almost surely, 255705555550755 is an apocalyptic number.

55705555550755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55705555550755 is a deficient number, since it is larger than the sum of its proper divisors (18130802440445).

55705555550755 is a wasteful number, since it uses less digits than its factorization.

55705555550755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214996 (or 214985 counting only the distinct ones).

The product of its (nonzero) digits is 478515625, while the sum is 64.

The spelling of 55705555550755 in words is "fifty-five trillion, seven hundred five billion, five hundred fifty-five million, five hundred fifty thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 121 229 605 1145 1889 2519 9445 12595 20779 27709 103895 138545 212851 228569 432581 1064255 1142845 2162905 2341361 4758391 11706805 23791955 25754971 48742879 52342301 128774855 243714395 261711505 402075539 536171669 2010377695 2680858345 4422830929 5897888359 22114154645 29489441795 48651140219 92075298431 243255701095 460376492155 1012828282741 5064141413705 11141111110151 55705555550755