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54553142 = 2719673061
BaseRepresentation
bin1101000000011…
…0101000110110
310210122120211202
43100012220312
5102431200032
65225132502
71231460030
oct320065066
9123576752
1054553142
1128880646
121632a132
13b3c0987
147360c50
154bc8d62
hex3406a36

54553142 has 32 divisors (see below), whose sum is σ = 99943680. Its totient is φ = 21811680.

The previous prime is 54553141. The next prime is 54553151. The reversal of 54553142 is 24135545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54553141) 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 15 ways as a sum of consecutive naturals, for example, 16292 + ... + 19352.

It is an arithmetic number, because the mean of its divisors is an integer number (3123240).

Almost surely, 254553142 is an apocalyptic number.

54553142 is a deficient number, since it is larger than the sum of its proper divisors (45390538).

54553142 is a wasteful number, since it uses less digits than its factorization.

54553142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its digits is 12000, while the sum is 29.

The square root of 54553142 is about 7386.0098835569. The cubic root of 54553142 is about 379.2625170282.

Adding to 54553142 its reverse (24135545), we get a palindrome (78688687).

The spelling of 54553142 in words is "fifty-four million, five hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 7 14 19 38 67 133 134 266 469 938 1273 2546 3061 6122 8911 17822 21427 42854 58159 116318 205087 407113 410174 814226 1435609 2871218 3896653 7793306 27276571 54553142