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55485029 is a prime number
BaseRepresentation
bin1101001110101…
…0001001100101
310212101221011002
43103222021211
5103201010104
65301123045
71242420635
oct323521145
9125357132
1055485029
11293577a6
12166b9485
13b658ba2
1475246c5
154d1001e
hex34ea265

55485029 has 2 divisors, whose sum is σ = 55485030. Its totient is φ = 55485028.

The previous prime is 55485019. The next prime is 55485041. The reversal of 55485029 is 92058455.

55485029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44528929 + 10956100 = 6673^2 + 3310^2 .

It is a cyclic number.

It is not a de Polignac number, because 55485029 - 28 = 55484773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55484983 and 55485001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55485019) 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, 27742514 + 27742515.

It is an arithmetic number, because the mean of its divisors is an integer number (27742515).

Almost surely, 255485029 is an apocalyptic number.

It is an amenable number.

55485029 is a deficient number, since it is larger than the sum of its proper divisors (1).

55485029 is an equidigital number, since it uses as much as digits as its factorization.

55485029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 55485029 is about 7448.8273573765. The cubic root of 55485029 is about 381.4098803053.

The spelling of 55485029 in words is "fifty-five million, four hundred eighty-five thousand, twenty-nine".