Search a number
-
+
55205032349 is a prime number
BaseRepresentation
bin110011011010011110…
…011111000110011101
312021111100000012200202
4303122132133012131
51401024442013344
641205535233245
73663014014115
oct633236370635
9167440005622
1055205032349
112145988a985
12a848078825
13528a22831c
142959b24045
1516817eb94e
hexcda79f19d

55205032349 has 2 divisors, whose sum is σ = 55205032350. Its totient is φ = 55205032348.

The previous prime is 55205032327. The next prime is 55205032373. The reversal of 55205032349 is 94323050255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46577409124 + 8627623225 = 215818^2 + 92885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55205032349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55205032319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27602516174 + 27602516175.

It is an arithmetic number, because the mean of its divisors is an integer number (27602516175).

Almost surely, 255205032349 is an apocalyptic number.

It is an amenable number.

55205032349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55205032349 is an equidigital number, since it uses as much as digits as its factorization.

55205032349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 55205032349 in words is "fifty-five billion, two hundred five million, thirty-two thousand, three hundred forty-nine".