55241505617 has 2 divisors, whose sum is σ = 55241505618. Its totient is φ = 55241505616.

The previous prime is 55241505563. The next prime is 55241505689. The reversal of 55241505617 is 71650514255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52228703296 + 3012802321 = 228536^2 + 54889^2 .

It is a cyclic number.

It is not a de Polignac number, because 55241505617 - 2¹² = 55241501521 is a prime.

It is not a weakly prime, because it can be changed into another prime (55241505017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620752808 + 27620752809.

It is an arithmetic number, because the mean of its divisors is an integer number (27620752809).

Almost surely, 2^55241505617 is an apocalyptic number.

It is an amenable number.

55241505617 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241505617 is an equidigital number, since it uses as much as digits as its factorization.

55241505617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210000, while the sum is 41.

The spelling of 55241505617 in words is "fifty-five billion, two hundred forty-one million, five hundred five thousand, six hundred seventeen".