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55057127 is a prime number
BaseRepresentation
bin1101001000000…
…1101011100111
310211121012011212
43102001223213
5103043312002
65244022035
71235656256
oct322015347
9124535155
1055057127
1129095264
121653191b
13b5391a8
14745279d
154c78352
hex3481ae7

55057127 has 2 divisors, whose sum is σ = 55057128. Its totient is φ = 55057126.

The previous prime is 55057063. The next prime is 55057129. The reversal of 55057127 is 72175055.

55057127 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 55057127 - 26 = 55057063 is a prime.

Together with 55057129, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55057093 and 55057102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55057129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27528563 + 27528564.

It is an arithmetic number, because the mean of its divisors is an integer number (27528564).

Almost surely, 255057127 is an apocalyptic number.

55057127 is a deficient number, since it is larger than the sum of its proper divisors (1).

55057127 is an equidigital number, since it uses as much as digits as its factorization.

55057127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 55057127 is about 7420.0489890566. The cubic root of 55057127 is about 380.4268679494.

The spelling of 55057127 in words is "fifty-five million, fifty-seven thousand, one hundred twenty-seven".