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55662653 is a prime number
BaseRepresentation
bin1101010001010…
…1100000111101
310212201221210202
43110111200331
5103222201103
65305013245
71244060534
oct324254075
9125657722
1055662653
11294691a2
1216784225
13b6bb9a7
14756d31b
154d47988
hex351583d

55662653 has 2 divisors, whose sum is σ = 55662654. Its totient is φ = 55662652.

The previous prime is 55662643. The next prime is 55662671. The reversal of 55662653 is 35626655.

55662653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 16999129 = 6218^2 + 4123^2 .

It is a cyclic number.

It is not a de Polignac number, because 55662653 - 26 = 55662589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55662643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831326 + 27831327.

It is an arithmetic number, because the mean of its divisors is an integer number (27831327).

Almost surely, 255662653 is an apocalyptic number.

It is an amenable number.

55662653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55662653 is an equidigital number, since it uses as much as digits as its factorization.

55662653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 38.

The square root of 55662653 is about 7460.7407809145. The cubic root of 55662653 is about 381.8164487364.

The spelling of 55662653 in words is "fifty-five million, six hundred sixty-two thousand, six hundred fifty-three".