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55756655665755 = 3511237830268121
BaseRepresentation
bin11001010110101110110111…
…01001111010001001011011
321022102021200012101210220220
430223113123221322021123
524302004112322301010
6314330130510451123
714513166622263012
oct1453273351721133
9238367605353826
1055756655665755
11168472a0606500
12630601b203aa3
132515aa3878745
14daa8ca90ba79
1566a55a27c970
hex32b5dba7a25b

55756655665755 has 48 divisors (see below), whose sum is σ = 100708202126112. Its totient is φ = 26302894041600.

The previous prime is 55756655665721. The next prime is 55756655665759.

55756655665755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55756655665755 - 26 = 55756655665691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55756655665759) 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, 415066906 + ... + 415201215.

It is an arithmetic number, because the mean of its divisors is an integer number (2098087544294).

Almost surely, 255756655665755 is an apocalyptic number.

55756655665755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55756655665755 is a deficient number, since it is larger than the sum of its proper divisors (44951546460357).

55756655665755 is a wasteful number, since it uses less digits than its factorization.

55756655665755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830268188 (or 830268177 counting only the distinct ones).

The product of its digits is 24806250000, while the sum is 78.

The spelling of 55756655665755 in words is "fifty-five trillion, seven hundred fifty-six billion, six hundred fifty-five million, six hundred sixty-five thousand, seven hundred fifty-five".

Divisors: 1 3 5 11 15 33 37 55 111 121 165 185 363 407 555 605 1221 1815 2035 4477 6105 13431 22385 67155 830268121 2490804363 4151340605 9132949331 12454021815 27398847993 30719920477 45664746655 92159761431 100462442641 136994239965 153599602385 301387327923 337919125247 460798807155 502312213205 1013757375741 1506936639615 1689595626235 3717110377717 5068786878705 11151331133151 18585551888585 55756655665755