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55000278023 is a prime number
BaseRepresentation
bin110011001110010001…
…011010010000000111
312020222001201121120012
4303032101122100013
51400120032344043
641133342500435
73654646435535
oct631621322007
9166861647505
1055000278023
112136424aa29
12a7ab59471b
135256998012
14293a865155
15166d853a18
hexcce45a407

55000278023 has 2 divisors, whose sum is σ = 55000278024. Its totient is φ = 55000278022.

The previous prime is 55000278001. The next prime is 55000278031. The reversal of 55000278023 is 32087200055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55000278023 - 214 = 55000261639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55000278043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500139011 + 27500139012.

It is an arithmetic number, because the mean of its divisors is an integer number (27500139012).

Almost surely, 255000278023 is an apocalyptic number.

55000278023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000278023 is an equidigital number, since it uses as much as digits as its factorization.

55000278023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 55000278023 its reverse (32087200055), we get a palindrome (87087478078).

The spelling of 55000278023 in words is "fifty-five billion, two hundred seventy-eight thousand, twenty-three".