55143253304213 has 2 divisors, whose sum is σ = 55143253304214. Its totient is φ = 55143253304212.

The previous prime is 55143253304197. The next prime is 55143253304233. The reversal of 55143253304213 is 31240335234155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28560495016804 + 26582758287409 = 5344202^2 + 5155847^2 .

It is a cyclic number.

It is not a de Polignac number, because 55143253304213 - 2⁴ = 55143253304197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55143253304233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27571626652106 + 27571626652107.

It is an arithmetic number, because the mean of its divisors is an integer number (27571626652107).

Almost surely, 2^{55143253304213} is an apocalyptic number.

It is an amenable number.

55143253304213 is a deficient number, since it is larger than the sum of its proper divisors (1).

55143253304213 is an equidigital number, since it uses as much as digits as its factorization.

55143253304213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 55143253304213 its reverse (31240335234155), we get a palindrome (86383588538368).

The spelling of 55143253304213 in words is "fifty-five trillion, one hundred forty-three billion, two hundred fifty-three million, three hundred four thousand, two hundred thirteen".