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55705656067117 = 77957950866731
BaseRepresentation
bin11001010101001111110111…
…10101111000010000101101
321022020102000221122202202021
430222213323311320100231
524300140140423121432
6314250454120230141
714506413041660350
oct1452477365702055
9238212027582667
1055705656067117
11168276aa674181
1262b816760b351
1325110369ac444
14da824d536297
15669072c85697
hex32a9fbd7842d

55705656067117 has 4 divisors (see below), whose sum is σ = 63663606933856. Its totient is φ = 47747705200380.

The previous prime is 55705656067093. The next prime is 55705656067123. The reversal of 55705656067117 is 71176065650755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55705656067117 - 27 = 55705656066989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55705656067517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978975433359 + ... + 3978975433372.

It is an arithmetic number, because the mean of its divisors is an integer number (15915901733464).

Almost surely, 255705656067117 is an apocalyptic number.

It is an amenable number.

55705656067117 is a deficient number, since it is larger than the sum of its proper divisors (7957950866739).

55705656067117 is an equidigital number, since it uses as much as digits as its factorization.

55705656067117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957950866738.

The product of its (nonzero) digits is 46305000, while the sum is 61.

The spelling of 55705656067117 in words is "fifty-five trillion, seven hundred five billion, six hundred fifty-six million, sixty-seven thousand, one hundred seventeen".

Divisors: 1 7 7957950866731 55705656067117