55243602353 has 2 divisors, whose sum is σ = 55243602354. Its totient is φ = 55243602352.

The previous prime is 55243602317. The next prime is 55243602367. The reversal of 55243602353 is 35320634255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39335582224 + 15908020129 = 198332^2 + 126127^2 .

It is a cyclic number.

It is not a de Polignac number, because 55243602353 - 2³² = 50948635057 is a prime.

It is not a weakly prime, because it can be changed into another prime (55243608353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621801176 + 27621801177.

It is an arithmetic number, because the mean of its divisors is an integer number (27621801177).

Almost surely, 2^55243602353 is an apocalyptic number.

It is an amenable number.

55243602353 is a deficient number, since it is larger than the sum of its proper divisors (1).

55243602353 is an equidigital number, since it uses as much as digits as its factorization.

55243602353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 55243602353 in words is "fifty-five billion, two hundred forty-three million, six hundred two thousand, three hundred fifty-three".