55346664349 has 2 divisors, whose sum is σ = 55346664350. Its totient is φ = 55346664348.

The previous prime is 55346664313. The next prime is 55346664377. The reversal of 55346664349 is 94346664355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55058276025 + 288388324 = 234645^2 + 16982^2 .

It is a cyclic number.

It is not a de Polignac number, because 55346664349 - 2³³ = 46756729757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55346664349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55346664449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27673332174 + 27673332175.

It is an arithmetic number, because the mean of its divisors is an integer number (27673332175).

Almost surely, 2^55346664349 is an apocalyptic number.

It is an amenable number.

55346664349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55346664349 is an equidigital number, since it uses as much as digits as its factorization.

55346664349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 55.

The spelling of 55346664349 in words is "fifty-five billion, three hundred forty-six million, six hundred sixty-four thousand, three hundred forty-nine".