55550120141 has 2 divisors, whose sum is σ = 55550120142. Its totient is φ = 55550120140.

The previous prime is 55550120033. The next prime is 55550120161. The reversal of 55550120141 is 14102105555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51640744516 + 3909375625 = 227246^2 + 62525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55550120141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550120161) 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, 27775060070 + 27775060071.

It is an arithmetic number, because the mean of its divisors is an integer number (27775060071).

Almost surely, 2^55550120141 is an apocalyptic number.

It is an amenable number.

55550120141 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550120141 is an equidigital number, since it uses as much as digits as its factorization.

55550120141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 55550120141 its reverse (14102105555), we get a palindrome (69652225696).

The spelling of 55550120141 in words is "fifty-five billion, five hundred fifty million, one hundred twenty thousand, one hundred forty-one".