55489708199 has 2 divisors, whose sum is σ = 55489708200. Its totient is φ = 55489708198.

The previous prime is 55489708181. The next prime is 55489708223. The reversal of 55489708199 is 99180798455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55489708199 - 2⁸ = 55489707943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55489702199) 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, 27744854099 + 27744854100.

It is an arithmetic number, because the mean of its divisors is an integer number (27744854100).

Almost surely, 2^55489708199 is an apocalyptic number.

55489708199 is a deficient number, since it is larger than the sum of its proper divisors (1).

55489708199 is an equidigital number, since it uses as much as digits as its factorization.

55489708199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32659200, while the sum is 65.

The spelling of 55489708199 in words is "fifty-five billion, four hundred eighty-nine million, seven hundred eight thousand, one hundred ninety-nine".