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55955351 is a prime number
BaseRepresentation
bin1101010101110…
…0111110010111
310220021211022102
43111130332113
5103311032401
65315152315
71246420064
oct325347627
9126254272
1055955351
11296490a1
12168a569b
13b791c9a
147607c6b
154da456b
hex355cf97

55955351 has 2 divisors, whose sum is σ = 55955352. Its totient is φ = 55955350.

The previous prime is 55955327. The next prime is 55955357. The reversal of 55955351 is 15355955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55955351 - 26 = 55955287 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 (55955357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27977675 + 27977676.

It is an arithmetic number, because the mean of its divisors is an integer number (27977676).

Almost surely, 255955351 is an apocalyptic number.

55955351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55955351 is an equidigital number, since it uses as much as digits as its factorization.

55955351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84375, while the sum is 38.

The square root of 55955351 is about 7480.3309418768. The cubic root of 55955351 is about 382.4845303952.

The spelling of 55955351 in words is "fifty-five million, nine hundred fifty-five thousand, three hundred fifty-one".