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55032443 is a prime number
BaseRepresentation
bin1101000111101…
…1101001111011
310211112221022122
43101323221323
5103042014233
65243311455
71235524304
oct321735173
9124487278
1055032443
1129078764
121651b58b
13b52ab9b
1474477ab
154c70d98
hex347ba7b

55032443 has 2 divisors, whose sum is σ = 55032444. Its totient is φ = 55032442.

The previous prime is 55032433. The next prime is 55032449. The reversal of 55032443 is 34423055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55032443 - 210 = 55031419 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55032449) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27516221 + 27516222.

It is an arithmetic number, because the mean of its divisors is an integer number (27516222).

Almost surely, 255032443 is an apocalyptic number.

55032443 is a deficient number, since it is larger than the sum of its proper divisors (1).

55032443 is an equidigital number, since it uses as much as digits as its factorization.

55032443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 55032443 is about 7418.3854712464. The cubic root of 55032443 is about 380.3700066430.

Adding to 55032443 its reverse (34423055), we get a palindrome (89455498).

The spelling of 55032443 in words is "fifty-five million, thirty-two thousand, four hundred forty-three".