Search a number
-
+
55877945241029 is a prime number
BaseRepresentation
bin11001011010010000110010…
…00100111010110111000101
321022211212202002010122010112
430231020121010322313011
524311001012440203104
6314501550151202405
714525022400540052
oct1455103104726705
9238755662118115
1055877945241029
111689378139860a
12632562a976405
132524362c8aab2
14db2715220029
1566d7a856486e
hex32d21913adc5

55877945241029 has 2 divisors, whose sum is σ = 55877945241030. Its totient is φ = 55877945241028.

The previous prime is 55877945240921. The next prime is 55877945241059. The reversal of 55877945241029 is 92014254977855.

It is a happy number.

Together with previous prime (55877945240921) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53840403110404 + 2037542130625 = 7337602^2 + 1427425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55877945241029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55877945241029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55877945241059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27938972620514 + 27938972620515.

It is an arithmetic number, because the mean of its divisors is an integer number (27938972620515).

Almost surely, 255877945241029 is an apocalyptic number.

It is an amenable number.

55877945241029 is a deficient number, since it is larger than the sum of its proper divisors (1).

55877945241029 is an equidigital number, since it uses as much as digits as its factorization.

55877945241029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016000, while the sum is 68.

The spelling of 55877945241029 in words is "fifty-five trillion, eight hundred seventy-seven billion, nine hundred forty-five million, two hundred forty-one thousand, twenty-nine".