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55103177 is a prime number
BaseRepresentation
bin1101001000110…
…0111011001001
310211200112100102
43102030323021
5103101300202
65245015145
71236240443
oct322147311
9124615312
1055103177
1129116918
12165544b5
13b55413c
147465493
154c86d02
hex348cec9

55103177 has 2 divisors, whose sum is σ = 55103178. Its totient is φ = 55103176.

The previous prime is 55103143. The next prime is 55103179. The reversal of 55103177 is 77130155.

55103177 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 can be written as a sum of positive squares in only one way, i.e., 52475536 + 2627641 = 7244^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 55103177 - 214 = 55086793 is a prime.

Together with 55103179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55103179) 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, 27551588 + 27551589.

It is an arithmetic number, because the mean of its divisors is an integer number (27551589).

Almost surely, 255103177 is an apocalyptic number.

It is an amenable number.

55103177 is a deficient number, since it is larger than the sum of its proper divisors (1).

55103177 is an equidigital number, since it uses as much as digits as its factorization.

55103177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 55103177 is about 7423.1514197139. The cubic root of 55103177 is about 380.5329019077.

The spelling of 55103177 in words is "fifty-five million, one hundred three thousand, one hundred seventy-seven".