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55345303 = 1323753167
BaseRepresentation
bin1101001100100…
…0000010010111
310212010211111001
43103020002113
5103132022203
65254124131
71241266366
oct323100227
9125124431
1055345303
1129271822
1216650647
13b60a400
1474c97dd
154cd391d
hex34c8097

55345303 has 24 divisors (see below), whose sum is σ = 63086688. Its totient is φ = 48477312.

The previous prime is 55345289. The next prime is 55345331. The reversal of 55345303 is 30354355.

It is not a de Polignac number, because 55345303 - 29 = 55344791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331326 + ... + 331492.

It is an arithmetic number, because the mean of its divisors is an integer number (2628612).

Almost surely, 255345303 is an apocalyptic number.

55345303 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

55345303 is a deficient number, since it is larger than the sum of its proper divisors (7741385).

55345303 is a wasteful number, since it uses less digits than its factorization.

55345303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 55345303 is about 7439.4423850178. The cubic root of 55345303 is about 381.0894474740.

Adding to 55345303 its reverse (30354355), we get a palindrome (85699658).

The spelling of 55345303 in words is "fifty-five million, three hundred forty-five thousand, three hundred three".

Divisors: 1 13 37 53 167 169 481 689 1961 2171 6179 6253 8851 8957 25493 28223 80327 115063 327487 331409 1044251 1495819 4257331 55345303