55055545541 has 2 divisors, whose sum is σ = 55055545542. Its totient is φ = 55055545540.

The previous prime is 55055545499. The next prime is 55055545543. The reversal of 55055545541 is 14554555055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50570564641 + 4484980900 = 224879^2 + 66970^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055545541 - 2¹⁸ = 55055283397 is a prime.

It is a super-2 number, since 2×55055545541² (a number of 22 digits) contains 22 as substring.

Together with 55055545543, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55055545492 and 55055545501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055545543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527772770 + 27527772771.

It is an arithmetic number, because the mean of its divisors is an integer number (27527772771).

Almost surely, 2^55055545541 is an apocalyptic number.

It is an amenable number.

55055545541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055545541 is an equidigital number, since it uses as much as digits as its factorization.

55055545541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1250000, while the sum is 44.

The spelling of 55055545541 in words is "fifty-five billion, fifty-five million, five hundred forty-five thousand, five hundred forty-one".