55241020949 has 2 divisors, whose sum is σ = 55241020950. Its totient is φ = 55241020948.

The previous prime is 55241020921. The next prime is 55241021039. The reversal of 55241020949 is 94902014255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49706702500 + 5534318449 = 222950^2 + 74393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55241020949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55241020909) 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, 27620510474 + 27620510475.

It is an arithmetic number, because the mean of its divisors is an integer number (27620510475).

Almost surely, 2^55241020949 is an apocalyptic number.

It is an amenable number.

55241020949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241020949 is an equidigital number, since it uses as much as digits as its factorization.

55241020949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 55241020949 in words is "fifty-five billion, two hundred forty-one million, twenty thousand, nine hundred forty-nine".