55543835393 has 2 divisors, whose sum is σ = 55543835394. Its totient is φ = 55543835392.

The previous prime is 55543835363. The next prime is 55543835447. The reversal of 55543835393 is 39353834555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55303988224 + 239847169 = 235168^2 + 15487^2 .

It is a cyclic number.

It is not a de Polignac number, because 55543835393 - 2²⁴ = 55527058177 is a prime.

It is not a weakly prime, because it can be changed into another prime (55543835353) 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, 27771917696 + 27771917697.

It is an arithmetic number, because the mean of its divisors is an integer number (27771917697).

Almost surely, 2^55543835393 is an apocalyptic number.

It is an amenable number.

55543835393 is a deficient number, since it is larger than the sum of its proper divisors (1).

55543835393 is an equidigital number, since it uses as much as digits as its factorization.

55543835393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580000, while the sum is 53.

The spelling of 55543835393 in words is "fifty-five billion, five hundred forty-three million, eight hundred thirty-five thousand, three hundred ninety-three".