55245645132413 has 2 divisors, whose sum is σ = 55245645132414. Its totient is φ = 55245645132412.

The previous prime is 55245645132371. The next prime is 55245645132421. The reversal of 55245645132413 is 31423154654255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37132424075044 + 18113221057369 = 6093638^2 + 4255963^2 .

It is a cyclic number.

It is not a de Polignac number, because 55245645132413 - 2¹⁶ = 55245645066877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55245645132473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622822566206 + 27622822566207.

It is an arithmetic number, because the mean of its divisors is an integer number (27622822566207).

Almost surely, 2^{55245645132413} is an apocalyptic number.

It is an amenable number.

55245645132413 is a deficient number, since it is larger than the sum of its proper divisors (1).

55245645132413 is an equidigital number, since it uses as much as digits as its factorization.

55245645132413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640000, while the sum is 50.

Adding to 55245645132413 its reverse (31423154654255), we get a palindrome (86668799786668).

The spelling of 55245645132413 in words is "fifty-five trillion, two hundred forty-five billion, six hundred forty-five million, one hundred thirty-two thousand, four hundred thirteen".