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55755669 = 3113164471
BaseRepresentation
bin1101010010110…
…0001110010101
310212220200101210
43110230032111
5103233140134
65311012033
71244625654
oct324541625
9125820353
1055755669
1129522072
121680a019
13b722128
14759519b
154d652e9
hex352c395

55755669 has 8 divisors (see below), whose sum is σ = 74999232. Its totient is φ = 36841280.

The previous prime is 55755659. The next prime is 55755691. The reversal of 55755669 is 96655755.

It is a happy number.

55755669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55755669 - 29 = 55755157 is a prime.

It is a super-2 number, since 2×557556692 = 6217389251275122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55755619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81897 + ... + 82574.

It is an arithmetic number, because the mean of its divisors is an integer number (9374904).

Almost surely, 255755669 is an apocalyptic number.

It is an amenable number.

55755669 is a deficient number, since it is larger than the sum of its proper divisors (19243563).

55755669 is a wasteful number, since it uses less digits than its factorization.

55755669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164587.

The product of its digits is 1417500, while the sum is 48.

The square root of 55755669 is about 7466.9718762026. The cubic root of 55755669 is about 382.0290106162.

The spelling of 55755669 in words is "fifty-five million, seven hundred fifty-five thousand, six hundred sixty-nine".

Divisors: 1 3 113 339 164471 493413 18585223 55755669