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55048517 is a prime number
BaseRepresentation
bin1101000111111…
…1100101000101
310211120202100222
43101333211011
5103043023032
65243514125
71235622206
oct321774505
9124522328
1055048517
1129089847
1216528945
13b5352b4
14744d5ad
154c75a12
hex347f945

55048517 has 2 divisors, whose sum is σ = 55048518. Its totient is φ = 55048516.

The previous prime is 55048493. The next prime is 55048519. The reversal of 55048517 is 71584055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54893281 + 155236 = 7409^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 55048517 - 210 = 55047493 is a prime.

Together with 55048519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55048519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27524258 + 27524259.

It is an arithmetic number, because the mean of its divisors is an integer number (27524259).

Almost surely, 255048517 is an apocalyptic number.

It is an amenable number.

55048517 is a deficient number, since it is larger than the sum of its proper divisors (1).

55048517 is an equidigital number, since it uses as much as digits as its factorization.

55048517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 55048517 is about 7419.4687815234. The cubic root of 55048517 is about 380.4070361476.

The spelling of 55048517 in words is "fifty-five million, forty-eight thousand, five hundred seventeen".