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55054873 is a prime number
BaseRepresentation
bin1101001000000…
…1001000011001
310211121002002101
43102001020121
5103043223443
65244003401
71235646556
oct322011031
9124532071
1055054873
11290935a5
1216530561
13b538163
147451a2d
154c7784d
hex3481219

55054873 has 2 divisors, whose sum is σ = 55054874. Its totient is φ = 55054872.

The previous prime is 55054829. The next prime is 55054889. The reversal of 55054873 is 37845055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50509449 + 4545424 = 7107^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 55054873 - 213 = 55046681 is a prime.

It is a super-2 number, since 2×550548732 = 6062078082092258, which contains 22 as substring.

It is equal to p3285298 and since 55054873 and 3285298 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55054973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527436 + 27527437.

It is an arithmetic number, because the mean of its divisors is an integer number (27527437).

Almost surely, 255054873 is an apocalyptic number.

It is an amenable number.

55054873 is a deficient number, since it is larger than the sum of its proper divisors (1).

55054873 is an equidigital number, since it uses as much as digits as its factorization.

55054873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 55054873 is about 7419.8971017124. The cubic root of 55054873 is about 380.4216764093.

The spelling of 55054873 in words is "fifty-five million, fifty-four thousand, eight hundred seventy-three".