55355142103 has 2 divisors, whose sum is σ = 55355142104. Its totient is φ = 55355142102.

The previous prime is 55355142083. The next prime is 55355142133. The reversal of 55355142103 is 30124155355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55355142103 - 2⁵ = 55355142071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55355142133) 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, 27677571051 + 27677571052.

It is an arithmetic number, because the mean of its divisors is an integer number (27677571052).

Almost surely, 2^55355142103 is an apocalyptic number.

55355142103 is a deficient number, since it is larger than the sum of its proper divisors (1).

55355142103 is an equidigital number, since it uses as much as digits as its factorization.

55355142103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 55355142103 its reverse (30124155355), we get a palindrome (85479297458).

The spelling of 55355142103 in words is "fifty-five billion, three hundred fifty-five million, one hundred forty-two thousand, one hundred three".