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55200047687 is a prime number
BaseRepresentation
bin110011011010001011…
…011110001001000111
312021110222121222000122
4303122023132021013
51401022203011222
641205240332155
73662623443431
oct633213361107
9167428558018
1055200047687
1121456a95924
12a84647405b
1352891a1515
1429591c7651
151681164a42
hexcda2de247

55200047687 has 2 divisors, whose sum is σ = 55200047688. Its totient is φ = 55200047686.

The previous prime is 55200047627. The next prime is 55200047743. The reversal of 55200047687 is 78674000255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55200047687 - 28 = 55200047431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55200047627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600023843 + 27600023844.

It is an arithmetic number, because the mean of its divisors is an integer number (27600023844).

Almost surely, 255200047687 is an apocalyptic number.

55200047687 is a deficient number, since it is larger than the sum of its proper divisors (1).

55200047687 is an equidigital number, since it uses as much as digits as its factorization.

55200047687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 55200047687 in words is "fifty-five billion, two hundred million, forty-seven thousand, six hundred eighty-seven".