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54885705 = 3572322727
BaseRepresentation
bin1101000101011…
…1110101001001
310211021111000220
43101113311021
5103022320310
65240220253
71234343430
oct321276511
9124244026
1054885705
1128a88496
121646a689
13b4a9164
14740a117
154c42670
hex3457d49

54885705 has 32 divisors (see below), whose sum is σ = 104730624. Its totient is φ = 23998656.

The previous prime is 54885683. The next prime is 54885709. The reversal of 54885705 is 50758845.

It is not a de Polignac number, because 54885705 - 26 = 54885641 is a prime.

It is a super-2 number, since 2×548857052 = 6024881226694050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54885709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8949 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (3272832).

Almost surely, 254885705 is an apocalyptic number.

It is an amenable number.

54885705 is a deficient number, since it is larger than the sum of its proper divisors (49844919).

54885705 is a wasteful number, since it uses less digits than its factorization.

54885705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22765.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 54885705 is about 7408.4887122813. The cubic root of 54885705 is about 380.0316340239.

The spelling of 54885705 in words is "fifty-four million, eight hundred eighty-five thousand, seven hundred five".

Divisors: 1 3 5 7 15 21 23 35 69 105 115 161 345 483 805 2415 22727 68181 113635 159089 340905 477267 522721 795445 1568163 2386335 2613605 3659047 7840815 10977141 18295235 54885705