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55025545049 is a prime number
BaseRepresentation
bin110011001111110001…
…110010111101011001
312021000211021022101222
4303033301302331121
51400143014420144
641140044221425
73655404262406
oct631761627531
9167024238358
1055025545049
1121377538472
12a7b7b3a875
13525bca3917
14293dd612ad
151670b952ee
hexccfc72f59

55025545049 has 2 divisors, whose sum is σ = 55025545050. Its totient is φ = 55025545048.

The previous prime is 55025545031. The next prime is 55025545051. The reversal of 55025545049 is 94054552055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51293190400 + 3732354649 = 226480^2 + 61093^2 .

It is a cyclic number.

It is not a de Polignac number, because 55025545049 - 220 = 55024496473 is a prime.

It is a Sophie Germain prime.

Together with 55025545051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55025545349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512772524 + 27512772525.

It is an arithmetic number, because the mean of its divisors is an integer number (27512772525).

Almost surely, 255025545049 is an apocalyptic number.

It is an amenable number.

55025545049 is a deficient number, since it is larger than the sum of its proper divisors (1).

55025545049 is an equidigital number, since it uses as much as digits as its factorization.

55025545049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 55025545049 in words is "fifty-five billion, twenty-five million, five hundred forty-five thousand, forty-nine".