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54975543 = 3723432647
BaseRepresentation
bin1101000110110…
…1110000110111
310211110001021020
43101231300313
5103033204133
65242152223
71235166360
oct321556067
9124401236
1054975543
1129039a37
12164b2673
13b50b00c
147430b67
154c5e0b3
hex346dc37

54975543 has 32 divisors (see below), whose sum is σ = 89481216. Its totient is φ = 29338848.

The previous prime is 54975539. The next prime is 54975553. The reversal of 54975543 is 34557945.

It is not a de Polignac number, because 54975543 - 22 = 54975539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54975495 and 54975504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54975533) 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, 19446 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (2796288).

Almost surely, 254975543 is an apocalyptic number.

54975543 is a deficient number, since it is larger than the sum of its proper divisors (34505673).

54975543 is a wasteful number, since it uses less digits than its factorization.

54975543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

The product of its digits is 378000, while the sum is 42.

The square root of 54975543 is about 7414.5494131471. The cubic root of 54975543 is about 380.2388687441.

The spelling of 54975543 in words is "fifty-four million, nine hundred seventy-five thousand, five hundred forty-three".

Divisors: 1 3 7 21 23 43 69 129 161 301 483 903 989 2647 2967 6923 7941 18529 20769 55587 60881 113821 182643 341463 426167 796747 1278501 2390241 2617883 7853649 18325181 54975543