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55705968 = 243453811
BaseRepresentation
bin1101010010000…
…0000101110000
310212211011020000
43110200011300
5103230042333
65305550000
71244331033
oct324400560
9125734200
1055705968
112949879a
12167a5300
13b705616
14758101a
154d55713
hex3520170

55705968 has 100 divisors (see below), whose sum is σ = 164473848. Its totient is φ = 18195840.

The previous prime is 55705939. The next prime is 55705973. The reversal of 55705968 is 86950755.

55705968 is a `hidden beast` number, since 5 + 57 + 0 + 596 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68283 + ... + 69093.

Almost surely, 255705968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55705968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82236924).

55705968 is an abundant number, since it is smaller than the sum of its proper divisors (108767880).

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

55705968 is a wasteful number, since it uses less digits than its factorization.

55705968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 55705968 is about 7463.6430782829. The cubic root of 55705968 is about 381.9154624110.

The spelling of 55705968 in words is "fifty-five million, seven hundred five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 53 54 72 81 106 108 144 159 162 212 216 318 324 424 432 477 636 648 811 848 954 1272 1296 1431 1622 1908 2433 2544 2862 3244 3816 4293 4866 5724 6488 7299 7632 8586 9732 11448 12976 14598 17172 19464 21897 22896 29196 34344 38928 42983 43794 58392 65691 68688 85966 87588 116784 128949 131382 171932 175176 257898 262764 343864 350352 386847 515796 525528 687728 773694 1031592 1051056 1160541 1547388 2063184 2321082 3094776 3481623 4642164 6189552 6963246 9284328 13926492 18568656 27852984 55705968