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50055000001 is a prime number
BaseRepresentation
bin101110100111100000…
…101010111111000001
311210012102022110102221
4232213200222333001
51310003040000001
634554524211041
73421260323416
oct564740527701
9153172273387
1050055000001
111a2568193a6
12984b399a81
134949288bc6
1425cbb6a10d
15147e60b1a1
hexba782afc1

50055000001 has 2 divisors, whose sum is σ = 50055000002. Its totient is φ = 50055000000.

The previous prime is 50054999999. The next prime is 50055000041. The reversal of 50055000001 is 10000055005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48642743601 + 1412256400 = 220551^2 + 37580^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055000001 - 21 = 50054999999 is a prime.

It is a super-2 number, since 2×500550000012 (a number of 22 digits) contains 22 as substring.

Together with 50054999999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50055000041) 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, 25027500000 + 25027500001.

It is an arithmetic number, because the mean of its divisors is an integer number (25027500001).

Almost surely, 250055000001 is an apocalyptic number.

It is an amenable number.

50055000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055000001 is an equidigital number, since it uses as much as digits as its factorization.

50055000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 50055000001 its reverse (10000055005), we get a palindrome (60055055006).

The spelling of 50055000001 in words is "fifty billion, fifty-five million, one", and thus it is an aban number and an uban number.