55036735966213 has 2 divisors, whose sum is σ = 55036735966214. Its totient is φ = 55036735966212.

The previous prime is 55036735966193. The next prime is 55036735966231. The reversal of 55036735966213 is 31266953763055.

Together with next prime (55036735966231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43675946653284 + 11360789312929 = 6608778^2 + 3370577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55036735966213 is a prime.

It is a super-2 number, since 2×55036735966213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55036735963213) 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, 27518367983106 + 27518367983107.

It is an arithmetic number, because the mean of its divisors is an integer number (27518367983107).

Almost surely, 2^{55036735966213} is an apocalyptic number.

It is an amenable number.

55036735966213 is a deficient number, since it is larger than the sum of its proper divisors (1).

55036735966213 is an equidigital number, since it uses as much as digits as its factorization.

55036735966213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854000, while the sum is 61.

The spelling of 55036735966213 in words is "fifty-five trillion, thirty-six billion, seven hundred thirty-five million, nine hundred sixty-six thousand, two hundred thirteen".