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56101 is a prime number
BaseRepresentation
bin1101101100100101
32211221211
431230211
53243401
61111421
7322363
oct155445
984854
1056101
1139171
1228571
131c6c6
1416633
1511951
hexdb25

56101 has 2 divisors, whose sum is σ = 56102. Its totient is φ = 56100.

The previous prime is 56099. The next prime is 56113. The reversal of 56101 is 10165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50625 + 5476 = 225^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 56101 - 21 = 56099 is a prime.

Together with 56099, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28050 + 28051.

It is an arithmetic number, because the mean of its divisors is an integer number (28051).

256101 is an apocalyptic number.

It is an amenable number.

56101 is a deficient number, since it is larger than the sum of its proper divisors (1).

56101 is an equidigital number, since it uses as much as digits as its factorization.

56101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 56101 is about 236.8564966388. The cubic root of 56101 is about 38.2816105616.

Adding to 56101 its reverse (10165), we get a palindrome (66266).

The spelling of 56101 in words is "fifty-six thousand, one hundred one".