55550008013 has 2 divisors, whose sum is σ = 55550008014. Its totient is φ = 55550008012.

The previous prime is 55550008001. The next prime is 55550008037. The reversal of 55550008013 is 31080005555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54654023524 + 895984489 = 233782^2 + 29933^2 .

It is a cyclic number.

It is not a de Polignac number, because 55550008013 - 2¹⁰ = 55550006989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15550008013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775004006 + 27775004007.

It is an arithmetic number, because the mean of its divisors is an integer number (27775004007).

Almost surely, 2^55550008013 is an apocalyptic number.

It is an amenable number.

55550008013 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550008013 is an equidigital number, since it uses as much as digits as its factorization.

55550008013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 55550008013 in words is "fifty-five billion, five hundred fifty million, eight thousand, thirteen".