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55195283 = 11133112451
BaseRepresentation
bin1101001010001…
…1011010010011
310211212012200202
43102203122103
5103112222113
65251005415
71240103123
oct322433223
9124765622
1055195283
112917a040
121659986b
13b587040
14748ac83
154ca4258
hex34a3693

55195283 has 16 divisors (see below), whose sum is σ = 66941952. Its totient is φ = 44820000.

The previous prime is 55195211. The next prime is 55195291. The reversal of 55195283 is 38259155.

55195283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55195283 - 28 = 55195027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55195783) 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 15 ways as a sum of consecutive naturals, for example, 1793 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (4183872).

Almost surely, 255195283 is an apocalyptic number.

55195283 is a deficient number, since it is larger than the sum of its proper divisors (11746669).

55195283 is a wasteful number, since it uses less digits than its factorization.

55195283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506.

The product of its digits is 54000, while the sum is 38.

The square root of 55195283 is about 7429.3527981918. The cubic root of 55195283 is about 380.7448065257.

The spelling of 55195283 in words is "fifty-five million, one hundred ninety-five thousand, two hundred eighty-three".

Divisors: 1 11 13 31 143 341 403 4433 12451 136961 161863 385981 1780493 4245791 5017753 55195283