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54057705 = 35131723709
BaseRepresentation
bin1100111000110…
…1101011101001
310202201102020020
43032031223221
5102314321310
65210351053
71224324432
oct316155351
9122642206
1054057705
1128572399
121612b489
13b279310
147272489
154b2c170
hex338dae9

54057705 has 64 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 23924736.

The previous prime is 54057701. The next prime is 54057713. The reversal of 54057705 is 50775045.

It is not a de Polignac number, because 54057705 - 22 = 54057701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54057701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75891 + ... + 76599.

It is an arithmetic number, because the mean of its divisors is an integer number (1610280).

Almost surely, 254057705 is an apocalyptic number.

It is an amenable number.

54057705 is a deficient number, since it is larger than the sum of its proper divisors (49000215).

54057705 is a wasteful number, since it uses less digits than its factorization.

54057705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 54057705 is about 7352.3945079137. The cubic root of 54057705 is about 378.1109036022.

The spelling of 54057705 in words is "fifty-four million, fifty-seven thousand, seven hundred five".

Divisors: 1 3 5 13 15 17 23 39 51 65 69 85 115 195 221 255 299 345 391 663 709 897 1105 1173 1495 1955 2127 3315 3545 4485 5083 5865 9217 10635 12053 15249 16307 25415 27651 36159 46085 48921 60265 76245 81535 138255 156689 180795 211991 244605 277219 470067 635973 783445 831657 1059955 1386095 2350335 3179865 3603847 4158285 10811541 18019235 54057705