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55873686 = 2311276961
BaseRepresentation
bin1101010100100…
…1000010010110
310220010200021210
43111021002112
5103300424221
65313322250
71245630021
oct325110226
9126120253
1055873686
11295a2800
1216866386
13b763a6b
1475c61b8
154d8a276
hex3549096

55873686 has 24 divisors (see below), whose sum is σ = 122831352. Its totient is φ = 16931200.

The previous prime is 55873667. The next prime is 55873703. The reversal of 55873686 is 68637855.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37755 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (5117973).

Almost surely, 255873686 is an apocalyptic number.

55873686 is an abundant number, since it is smaller than the sum of its proper divisors (66957666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55873686 is a wasteful number, since it uses less digits than its factorization.

55873686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76988 (or 76977 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 55873686 is about 7474.8702998781. The cubic root of 55873686 is about 382.2983652550.

The spelling of 55873686 in words is "fifty-five million, eight hundred seventy-three thousand, six hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 76961 153922 230883 461766 846571 1693142 2539713 5079426 9312281 18624562 27936843 55873686