55243300006243 has 2 divisors, whose sum is σ = 55243300006244. Its totient is φ = 55243300006242.

The previous prime is 55243300006201. The next prime is 55243300006273. The reversal of 55243300006243 is 34260000334255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55243300006243 - 2²¹ = 55243297909091 is a prime.

It is not a weakly prime, because it can be changed into another prime (55243300006273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621650003121 + 27621650003122.

It is an arithmetic number, because the mean of its divisors is an integer number (27621650003122).

Almost surely, 2^{55243300006243} is an apocalyptic number.

55243300006243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55243300006243 is an equidigital number, since it uses as much as digits as its factorization.

55243300006243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 55243300006243 in words is "fifty-five trillion, two hundred forty-three billion, three hundred million, six thousand, two hundred forty-three".