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50550499969 is a prime number
BaseRepresentation
bin101111000101000010…
…110110101010000001
311211110221200110121121
4233011002312222001
51312011411444334
635120024352241
73436455105634
oct570502665201
9154427613547
1050550499969
111a490491902
129969315681
1349c7b26958
1426378adc1b
1514acd85db4
hexbc50b6a81

50550499969 has 2 divisors, whose sum is σ = 50550499970. Its totient is φ = 50550499968.

The previous prime is 50550499939. The next prime is 50550500003. The reversal of 50550499969 is 96999405505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49589499969 + 961000000 = 222687^2 + 31000^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550499969 - 213 = 50550491777 is a prime.

It is a super-2 number, since 2×505504999692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50550499939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275249984 + 25275249985.

It is an arithmetic number, because the mean of its divisors is an integer number (25275249985).

Almost surely, 250550499969 is an apocalyptic number.

It is an amenable number.

50550499969 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550499969 is an equidigital number, since it uses as much as digits as its factorization.

50550499969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683000, while the sum is 61.

The spelling of 50550499969 in words is "fifty billion, five hundred fifty million, four hundred ninety-nine thousand, nine hundred sixty-nine".