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50531565079 is a prime number
BaseRepresentation
bin101111000011111010…
…100111111000010111
311211102122001110211101
4233003322213320113
51311442040040304
635114110450531
73436135134112
oct570372477027
9154378043741
1050531565079
111a480829836
129962b03a47
1349c3c27288
142635181579
1514ab3958a4
hexbc3ea7e17

50531565079 has 2 divisors, whose sum is σ = 50531565080. Its totient is φ = 50531565078.

The previous prime is 50531565067. The next prime is 50531565103. The reversal of 50531565079 is 97056513505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50531565079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50531565059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25265782539 + 25265782540.

It is an arithmetic number, because the mean of its divisors is an integer number (25265782540).

Almost surely, 250531565079 is an apocalyptic number.

50531565079 is a deficient number, since it is larger than the sum of its proper divisors (1).

50531565079 is an equidigital number, since it uses as much as digits as its factorization.

50531565079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708750, while the sum is 46.

The spelling of 50531565079 in words is "fifty billion, five hundred thirty-one million, five hundred sixty-five thousand, seventy-nine".