54663209213 has 2 divisors, whose sum is σ = 54663209214. Its totient is φ = 54663209212.

The previous prime is 54663209173. The next prime is 54663209231. The reversal of 54663209213 is 31290236645.

Together with next prime (54663209231) 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., 34725204409 + 19938004804 = 186347^2 + 141202^2 .

It is a cyclic number.

It is not a de Polignac number, because 54663209213 - 2¹⁰ = 54663208189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54663209273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27331604606 + 27331604607.

It is an arithmetic number, because the mean of its divisors is an integer number (27331604607).

Almost surely, 2^54663209213 is an apocalyptic number.

It is an amenable number.

54663209213 is a deficient number, since it is larger than the sum of its proper divisors (1).

54663209213 is an equidigital number, since it uses as much as digits as its factorization.

54663209213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 54663209213 in words is "fifty-four billion, six hundred sixty-three million, two hundred nine thousand, two hundred thirteen".