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55068678 = 23271747547
BaseRepresentation
bin1101001000010…
…0100000000110
310211121210000200
43102010200012
5103044144203
65244151330
71236035040
oct322044006
9124553020
1055068678
11290a2a05
1216538546
13b541522
147456a90
154c7b9a3
hex3484806

55068678 has 96 divisors (see below), whose sum is σ = 147723264. Its totient is φ = 14466816.

The previous prime is 55068659. The next prime is 55068683. The reversal of 55068678 is 87686055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100401 + ... + 100947.

It is an arithmetic number, because the mean of its divisors is an integer number (1538784).

Almost surely, 255068678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55068678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73861632).

55068678 is an abundant number, since it is smaller than the sum of its proper divisors (92654586).

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

55068678 is a wasteful number, since it uses less digits than its factorization.

55068678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 55068678 is about 7420.8273123689. The cubic root of 55068678 is about 380.4534706421.

The spelling of 55068678 in words is "fifty-five million, sixty-eight thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 47 51 63 94 102 119 126 141 153 238 282 306 329 357 423 547 658 714 799 846 987 1071 1094 1598 1641 1974 2142 2397 2961 3282 3829 4794 4923 5593 5922 7191 7658 9299 9846 11186 11487 14382 16779 18598 22974 25709 27897 33558 34461 50337 51418 55794 65093 68922 77127 83691 100674 130186 154254 167382 179963 195279 231381 359926 390558 437053 462762 539889 585837 874106 1079778 1171674 1311159 1619667 2622318 3059371 3239334 3933477 6118742 7866954 9178113 18356226 27534339 55068678