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55211045413 is a prime number
BaseRepresentation
bin110011011010110101…
…011011001000100101
312021111202022201001211
4303122311123020211
51401033011423123
641210312151421
73663116066656
oct633265331045
9167452281054
1055211045413
1121462217657
12a84a098571
13528b552254
14295a84b52d
1516820d840d
hexcdad5b225

55211045413 has 2 divisors, whose sum is σ = 55211045414. Its totient is φ = 55211045412.

The previous prime is 55211045389. The next prime is 55211045423. The reversal of 55211045413 is 31454011255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29733139489 + 25477905924 = 172433^2 + 159618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55211045413 - 229 = 54674174501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55211045423) 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, 27605522706 + 27605522707.

It is an arithmetic number, because the mean of its divisors is an integer number (27605522707).

Almost surely, 255211045413 is an apocalyptic number.

It is an amenable number.

55211045413 is a deficient number, since it is larger than the sum of its proper divisors (1).

55211045413 is an equidigital number, since it uses as much as digits as its factorization.

55211045413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 55211045413 its reverse (31454011255), we get a palindrome (86665056668).

The spelling of 55211045413 in words is "fifty-five billion, two hundred eleven million, forty-five thousand, four hundred thirteen".