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55584169 = 1723142159
BaseRepresentation
bin1101010000001…
…0010110101001
310212120222010221
43110002112221
5103212143134
65303210041
71243312654
oct324022651
9125528127
1055584169
1129415233
1216746921
13b692054
14754c89b
154d2e5b4
hex35025a9

55584169 has 8 divisors (see below), whose sum is σ = 61413120. Its totient is φ = 50039616.

The previous prime is 55584167. The next prime is 55584181. The reversal of 55584169 is 96148555.

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 55584169 - 21 = 55584167 is a prime.

It is a super-2 number, since 2×555841692 = 6179199686841122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55584161) 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 7 ways as a sum of consecutive naturals, for example, 70689 + ... + 71470.

It is an arithmetic number, because the mean of its divisors is an integer number (7676640).

Almost surely, 255584169 is an apocalyptic number.

It is an amenable number.

55584169 is a deficient number, since it is larger than the sum of its proper divisors (5828951).

55584169 is a wasteful number, since it uses less digits than its factorization.

55584169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142199.

The product of its digits is 216000, while the sum is 43.

The square root of 55584169 is about 7455.4791261193. The cubic root of 55584169 is about 381.6369113759.

The spelling of 55584169 in words is "fifty-five million, five hundred eighty-four thousand, one hundred sixty-nine".

Divisors: 1 17 23 391 142159 2416703 3269657 55584169