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55310071 is a prime number
BaseRepresentation
bin1101001011111…
…1011011110111
310212002001011011
43102333123313
5103124410241
65253253051
71241061565
oct322773367
9125061134
1055310071
1129248303
1216634187
13b5c736b
1474baa35
154cc8281
hex34bf6f7

55310071 has 2 divisors, whose sum is σ = 55310072. Its totient is φ = 55310070.

The previous prime is 55310069. The next prime is 55310113. The reversal of 55310071 is 17001355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55310071 - 21 = 55310069 is a prime.

Together with 55310069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55310011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655035 + 27655036.

It is an arithmetic number, because the mean of its divisors is an integer number (27655036).

Almost surely, 255310071 is an apocalyptic number.

55310071 is a deficient number, since it is larger than the sum of its proper divisors (1).

55310071 is an equidigital number, since it uses as much as digits as its factorization.

55310071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 55310071 is about 7437.0740886453. The cubic root of 55310071 is about 381.0085650098.

The spelling of 55310071 in words is "fifty-five million, three hundred ten thousand, seventy-one".