55655042203 has 2 divisors, whose sum is σ = 55655042204. Its totient is φ = 55655042202.

The previous prime is 55655042159. The next prime is 55655042213. The reversal of 55655042203 is 30224055655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55655042203 is a prime.

It is a super-2 number, since 2×55655042203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55655042213) 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, 27827521101 + 27827521102.

It is an arithmetic number, because the mean of its divisors is an integer number (27827521102).

Almost surely, 2^55655042203 is an apocalyptic number.

55655042203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55655042203 is an equidigital number, since it uses as much as digits as its factorization.

55655042203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 55655042203 its reverse (30224055655), we get a palindrome (85879097858).

The spelling of 55655042203 in words is "fifty-five billion, six hundred fifty-five million, forty-two thousand, two hundred three".