54184648213 has 2 divisors, whose sum is σ = 54184648214. Its totient is φ = 54184648212.

The previous prime is 54184648139. The next prime is 54184648223. The reversal of 54184648213 is 31284648145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43180008804 + 11004639409 = 207798^2 + 104903^2 .

It is a cyclic number.

It is not a de Polignac number, because 54184648213 - 2²⁵ = 54151093781 is a prime.

It is a super-2 number, since 2×54184648213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54184648223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27092324106 + 27092324107.

It is an arithmetic number, because the mean of its divisors is an integer number (27092324107).

Almost surely, 2^54184648213 is an apocalyptic number.

It is an amenable number.

54184648213 is a deficient number, since it is larger than the sum of its proper divisors (1).

54184648213 is an equidigital number, since it uses as much as digits as its factorization.

54184648213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 737280, while the sum is 46.

The spelling of 54184648213 in words is "fifty-four billion, one hundred eighty-four million, six hundred forty-eight thousand, two hundred thirteen".