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55585007 is a prime number
BaseRepresentation
bin1101010000001…
…0100011101111
310212121000021222
43110002203233
5103212210012
65303213555
71243315262
oct324024357
9125530258
1055585007
1129415925
12167472bb
13b69254a
14754ccd9
154d2e972
hex35028ef

55585007 has 2 divisors, whose sum is σ = 55585008. Its totient is φ = 55585006.

The previous prime is 55584983. The next prime is 55585027. The reversal of 55585007 is 70058555.

55585007 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 55585007 - 26 = 55584943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55585027) 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, 27792503 + 27792504.

It is an arithmetic number, because the mean of its divisors is an integer number (27792504).

Almost surely, 255585007 is an apocalyptic number.

55585007 is a deficient number, since it is larger than the sum of its proper divisors (1).

55585007 is an equidigital number, since it uses as much as digits as its factorization.

55585007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 55585007 is about 7455.5353261855. The cubic root of 55585007 is about 381.6388292489.

The spelling of 55585007 in words is "fifty-five million, five hundred eighty-five thousand, seven".