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55968705 = 3351331891
BaseRepresentation
bin1101010110000…
…0001111000001
310220022111122000
43111200033001
5103311444310
65315334213
71246504032
oct325401701
9126274560
1055968705
1129658131
12168b1369
13b7980a0
14760ca89
154da84c0
hex35603c1

55968705 has 32 divisors (see below), whose sum is σ = 107157120. Its totient is φ = 27552960.

The previous prime is 55968701. The next prime is 55968719. The reversal of 55968705 is 50786955.

It is not a de Polignac number, because 55968705 - 22 = 55968701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (55968701) 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 31 ways as a sum of consecutive naturals, for example, 14191 + ... + 17700.

It is an arithmetic number, because the mean of its divisors is an integer number (3348660).

Almost surely, 255968705 is an apocalyptic number.

It is an amenable number.

55968705 is a deficient number, since it is larger than the sum of its proper divisors (51188415).

55968705 is a wasteful number, since it uses less digits than its factorization.

55968705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31918 (or 31912 counting only the distinct ones).

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

The square root of 55968705 is about 7481.2234961937. The cubic root of 55968705 is about 382.5149552015.

The spelling of 55968705 in words is "fifty-five million, nine hundred sixty-eight thousand, seven hundred five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 31891 95673 159455 287019 414583 478365 861057 1243749 1435095 2072915 3731247 4305285 6218745 11193741 18656235 55968705