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5550505049989 is a prime number
BaseRepresentation
bin101000011000101001111…
…1000011011111110000101
3201122121211020111012121201
41100301103320123332011
51211414413243044424
615445511122142501
71112003455323304
oct120612370337605
921577736435551
105550505049989
11184aa57443599
12757884ab1a31
133135447b45b3
1415290840843b
15995ac20dd44
hex50c53e1bf85

5550505049989 has 2 divisors, whose sum is σ = 5550505049990. Its totient is φ = 5550505049988.

The previous prime is 5550505049953. The next prime is 5550505050043. The reversal of 5550505049989 is 9899405050555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4569547522500 + 980957527489 = 2137650^2 + 990433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5550505049989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5550505049989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550505049189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775252524994 + 2775252524995.

It is an arithmetic number, because the mean of its divisors is an integer number (2775252524995).

Almost surely, 25550505049989 is an apocalyptic number.

It is an amenable number.

5550505049989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550505049989 is an equidigital number, since it uses as much as digits as its factorization.

5550505049989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900000, while the sum is 64.

The spelling of 5550505049989 in words is "five trillion, five hundred fifty billion, five hundred five million, forty-nine thousand, nine hundred eighty-nine".