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55240305017 is a prime number
BaseRepresentation
bin110011011100100101…
…000010100101111001
312021120210101020200212
4303130211002211321
51401113004230032
641213235240505
73663622562642
oct633445024571
9167523336625
1055240305017
1121477791847
12a857a49135
135294628221
1429606a66c9
151684967bb2
hexcdc942979

55240305017 has 2 divisors, whose sum is σ = 55240305018. Its totient is φ = 55240305016.

The previous prime is 55240305007. The next prime is 55240305049. The reversal of 55240305017 is 71050304255.

55240305017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (55240305049) can be obtained adding 55240305017 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54309505936 + 930799081 = 233044^2 + 30509^2 .

It is a cyclic number.

It is not a de Polignac number, because 55240305017 - 28 = 55240304761 is a prime.

It is not a weakly prime, because it can be changed into another prime (55240305007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620152508 + 27620152509.

It is an arithmetic number, because the mean of its divisors is an integer number (27620152509).

Almost surely, 255240305017 is an apocalyptic number.

It is an amenable number.

55240305017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55240305017 is an equidigital number, since it uses as much as digits as its factorization.

55240305017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 55240305017 in words is "fifty-five billion, two hundred forty million, three hundred five thousand, seventeen".