Search a number
-
+
55510501110481 is a prime number
BaseRepresentation
bin11001001111100100010111…
…01100110011001011010001
321021112202022021011210021101
430213302023230303023101
524233441001241013411
6314021101104224401
714456333652135244
oct1447621354631321
9237482267153241
1055510501110481
11167619647a284a
12628638260b101
1324c88053a5b41
14d9ca18adb25b
15663e4ed598c1
hex327c8bb332d1

55510501110481 has 2 divisors, whose sum is σ = 55510501110482. Its totient is φ = 55510501110480.

The previous prime is 55510501110479. The next prime is 55510501110497. The reversal of 55510501110481 is 18401110501555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50522242410000 + 4988258700481 = 7107900^2 + 2233441^2 .

It is a cyclic number.

It is not a de Polignac number, because 55510501110481 - 21 = 55510501110479 is a prime.

It is a super-2 number, since 2×555105011104812 (a number of 28 digits) contains 22 as substring.

Together with 55510501110479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55510501110481.

It is not a weakly prime, because it can be changed into another prime (55510501110451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755250555240 + 27755250555241.

It is an arithmetic number, because the mean of its divisors is an integer number (27755250555241).

Almost surely, 255510501110481 is an apocalyptic number.

It is an amenable number.

55510501110481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510501110481 is an equidigital number, since it uses as much as digits as its factorization.

55510501110481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000, while the sum is 37.

The spelling of 55510501110481 in words is "fifty-five trillion, five hundred ten billion, five hundred one million, one hundred ten thousand, four hundred eighty-one".