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54551443 = 414728309
BaseRepresentation
bin1101000000011…
…0001110010011
310210122111111211
43100012032103
5102431121233
65225120551
71231452052
oct320061623
9123574454
1054551443
112887a341
1216329157
13b3bcc7b
147360399
154bc85cd
hex3406393

54551443 has 8 divisors (see below), whose sum is σ = 57072960. Its totient is φ = 52086720.

The previous prime is 54551437. The next prime is 54551447. The reversal of 54551443 is 34415545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54551443 - 25 = 54551411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54551447) 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 7 ways as a sum of consecutive naturals, for example, 12228 + ... + 16081.

It is an arithmetic number, because the mean of its divisors is an integer number (7134120).

Almost surely, 254551443 is an apocalyptic number.

54551443 is a deficient number, since it is larger than the sum of its proper divisors (2521517).

54551443 is a wasteful number, since it uses less digits than its factorization.

54551443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28397.

The product of its digits is 24000, while the sum is 31.

The square root of 54551443 is about 7385.8948679222. The cubic root of 54551443 is about 379.2585797438.

Adding to 54551443 its reverse (34415545), we get a palindrome (88966988).

The spelling of 54551443 in words is "fifty-four million, five hundred fifty-one thousand, four hundred forty-three".

Divisors: 1 41 47 1927 28309 1160669 1330523 54551443