54180664193 has 2 divisors, whose sum is σ = 54180664194. Its totient is φ = 54180664192.

The previous prime is 54180664169. The next prime is 54180664207. The reversal of 54180664193 is 39146608145.

54180664193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32503402369 + 21677261824 = 180287^2 + 147232^2 .

It is a cyclic number.

It is not a de Polignac number, because 54180664193 - 2⁸ = 54180663937 is a prime.

It is not a weakly prime, because it can be changed into another prime (54180664103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27090332096 + 27090332097.

It is an arithmetic number, because the mean of its divisors is an integer number (27090332097).

Almost surely, 2^54180664193 is an apocalyptic number.

It is an amenable number.

54180664193 is a deficient number, since it is larger than the sum of its proper divisors (1).

54180664193 is an equidigital number, since it uses as much as digits as its factorization.

54180664193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 54180664193 in words is "fifty-four billion, one hundred eighty million, six hundred sixty-four thousand, one hundred ninety-three".