55558859903 has 2 divisors, whose sum is σ = 55558859904. Its totient is φ = 55558859902.

The previous prime is 55558859879. The next prime is 55558859969. The reversal of 55558859903 is 30995885555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55558859903 - 2²² = 55554665599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55558859003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27779429951 + 27779429952.

It is an arithmetic number, because the mean of its divisors is an integer number (27779429952).

Almost surely, 2^55558859903 is an apocalyptic number.

55558859903 is a deficient number, since it is larger than the sum of its proper divisors (1).

55558859903 is an equidigital number, since it uses as much as digits as its factorization.

55558859903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600000, while the sum is 62.

The spelling of 55558859903 in words is "fifty-five billion, five hundred fifty-eight million, eight hundred fifty-nine thousand, nine hundred three".