55385684093 has 2 divisors, whose sum is σ = 55385684094. Its totient is φ = 55385684092.

The previous prime is 55385684027. The next prime is 55385684147. The reversal of 55385684093 is 39048658355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54429823204 + 955860889 = 233302^2 + 30917^2 .

It is a cyclic number.

It is not a de Polignac number, because 55385684093 - 2¹⁴ = 55385667709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55385684593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27692842046 + 27692842047.

It is an arithmetic number, because the mean of its divisors is an integer number (27692842047).

Almost surely, 2^55385684093 is an apocalyptic number.

It is an amenable number.

55385684093 is a deficient number, since it is larger than the sum of its proper divisors (1).

55385684093 is an equidigital number, since it uses as much as digits as its factorization.

55385684093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 55385684093 in words is "fifty-five billion, three hundred eighty-five million, six hundred eighty-four thousand, ninety-three".