55550431141 has 2 divisors, whose sum is σ = 55550431142. Its totient is φ = 55550431140.

The previous prime is 55550431067. The next prime is 55550431159. The reversal of 55550431141 is 14113405555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42382868641 + 13167562500 = 205871^2 + 114750^2 .

It is a cyclic number.

It is not a de Polignac number, because 55550431141 - 2⁹ = 55550430629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55550431097 and 55550431106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550431241) 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, 27775215570 + 27775215571.

It is an arithmetic number, because the mean of its divisors is an integer number (27775215571).

Almost surely, 2^55550431141 is an apocalyptic number.

It is an amenable number.

55550431141 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550431141 is an equidigital number, since it uses as much as digits as its factorization.

55550431141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 55550431141 its reverse (14113405555), we get a palindrome (69663836696).

The spelling of 55550431141 in words is "fifty-five billion, five hundred fifty million, four hundred thirty-one thousand, one hundred forty-one".