55404341243 has 2 divisors, whose sum is σ = 55404341244. Its totient is φ = 55404341242.

The previous prime is 55404341197. The next prime is 55404341287. The reversal of 55404341243 is 34214340455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55404341243 - 2⁸ = 55404340987 is a prime.

It is not a weakly prime, because it can be changed into another prime (55404346243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702170621 + 27702170622.

It is an arithmetic number, because the mean of its divisors is an integer number (27702170622).

Almost surely, 2^55404341243 is an apocalyptic number.

55404341243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404341243 is an equidigital number, since it uses as much as digits as its factorization.

55404341243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 55404341243 its reverse (34214340455), we get a palindrome (89618681698).

The spelling of 55404341243 in words is "fifty-five billion, four hundred four million, three hundred forty-one thousand, two hundred forty-three".