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53287165489 is a prime number
BaseRepresentation
bin110001101000001010…
…011001111000110001
312002112200012110221211
4301220022121320301
51333113003243424
640251344520121
73564335301415
oct615012317061
9162480173854
1053287165489
1120665241148
12a3b1920041
135042aaa26c
142817128d45
1515bd25eb94
hexc68299e31

53287165489 has 2 divisors, whose sum is σ = 53287165490. Its totient is φ = 53287165488.

The previous prime is 53287165391. The next prime is 53287165537. The reversal of 53287165489 is 98456178235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52948311025 + 338854464 = 230105^2 + 18408^2 .

It is a cyclic number.

It is not a de Polignac number, because 53287165489 - 29 = 53287164977 is a prime.

It is not a weakly prime, because it can be changed into another prime (53287160489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26643582744 + 26643582745.

It is an arithmetic number, because the mean of its divisors is an integer number (26643582745).

Almost surely, 253287165489 is an apocalyptic number.

It is an amenable number.

53287165489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53287165489 is an equidigital number, since it uses as much as digits as its factorization.

53287165489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 58.

The spelling of 53287165489 in words is "fifty-three billion, two hundred eighty-seven million, one hundred sixty-five thousand, four hundred eighty-nine".