55021722341 has 2 divisors, whose sum is σ = 55021722342. Its totient is φ = 55021722340.

The previous prime is 55021722251. The next prime is 55021722383. The reversal of 55021722341 is 14322712055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45147325441 + 9874396900 = 212479^2 + 99370^2 .

It is a cyclic number.

It is not a de Polignac number, because 55021722341 - 2²² = 55017528037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55021722298 and 55021722307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55021722391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27510861170 + 27510861171.

It is an arithmetic number, because the mean of its divisors is an integer number (27510861171).

Almost surely, 2^55021722341 is an apocalyptic number.

It is an amenable number.

55021722341 is a deficient number, since it is larger than the sum of its proper divisors (1).

55021722341 is an equidigital number, since it uses as much as digits as its factorization.

55021722341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 55021722341 in words is "fifty-five billion, twenty-one million, seven hundred twenty-two thousand, three hundred forty-one".