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555968143 is a prime number
BaseRepresentation
bin100001001000110…
…110011010001111
31102202011002220201
4201020312122033
52114311440033
6131100154331
716530436243
oct4110663217
91382132821
10555968143
11265914105
121362389a7
138b24cb43
1453ba4423
1533c2147d
hex2123668f

555968143 has 2 divisors, whose sum is σ = 555968144. Its totient is φ = 555968142.

The previous prime is 555968141. The next prime is 555968183. The reversal of 555968143 is 341869555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555968143 - 21 = 555968141 is a prime.

Together with 555968141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 555968093 and 555968102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555968141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277984071 + 277984072.

It is an arithmetic number, because the mean of its divisors is an integer number (277984072).

Almost surely, 2555968143 is an apocalyptic number.

555968143 is a deficient number, since it is larger than the sum of its proper divisors (1).

555968143 is an equidigital number, since it uses as much as digits as its factorization.

555968143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 46.

The square root of 555968143 is about 23578.9767165583. The cubic root of 555968143 is about 822.2741467134.

The spelling of 555968143 in words is "five hundred fifty-five million, nine hundred sixty-eight thousand, one hundred forty-three".