Search a number
-
+
55705213163 is a prime number
BaseRepresentation
bin110011111000010010…
…100001100011101011
312022210012012000210002
4303320102201203223
51403041013310123
641331324013215
74011266333165
oct637022414353
9168705160702
1055705213163
1121696160156
12a96769120b
135339a447c2
1429a6325935
1516b069d528
hexcf84a18eb

55705213163 has 2 divisors, whose sum is σ = 55705213164. Its totient is φ = 55705213162.

The previous prime is 55705213153. The next prime is 55705213169. The reversal of 55705213163 is 36131250755.

55705213163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55705213163 - 214 = 55705196779 is a prime.

It is not a weakly prime, because it can be changed into another prime (55705213169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27852606581 + 27852606582.

It is an arithmetic number, because the mean of its divisors is an integer number (27852606582).

Almost surely, 255705213163 is an apocalyptic number.

55705213163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55705213163 is an equidigital number, since it uses as much as digits as its factorization.

55705213163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 55705213163 in words is "fifty-five billion, seven hundred five million, two hundred thirteen thousand, one hundred sixty-three".