55055303243 has 2 divisors, whose sum is σ = 55055303244. Its totient is φ = 55055303242.

The previous prime is 55055303209. The next prime is 55055303293. The reversal of 55055303243 is 34230355055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55055303243 - 2¹² = 55055299147 is a prime.

It is not a weakly prime, because it can be changed into another prime (55055303293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527651621 + 27527651622.

It is an arithmetic number, because the mean of its divisors is an integer number (27527651622).

Almost surely, 2^55055303243 is an apocalyptic number.

55055303243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055303243 is an equidigital number, since it uses as much as digits as its factorization.

55055303243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 35.

Adding to 55055303243 its reverse (34230355055), we get a palindrome (89285658298).

The spelling of 55055303243 in words is "fifty-five billion, fifty-five million, three hundred three thousand, two hundred forty-three".