54254155217 has 2 divisors, whose sum is σ = 54254155218. Its totient is φ = 54254155216.

The previous prime is 54254155159. The next prime is 54254155223. The reversal of 54254155217 is 71255145245.

54254155217 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., 27358483216 + 26895672001 = 165404^2 + 163999^2 .

It is a cyclic number.

It is not a de Polignac number, because 54254155217 - 2²² = 54249960913 is a prime.

It is not a weakly prime, because it can be changed into another prime (54254155297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27127077608 + 27127077609.

It is an arithmetic number, because the mean of its divisors is an integer number (27127077609).

Almost surely, 2^54254155217 is an apocalyptic number.

It is an amenable number.

54254155217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54254155217 is an equidigital number, since it uses as much as digits as its factorization.

54254155217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280000, while the sum is 41.

The spelling of 54254155217 in words is "fifty-four billion, two hundred fifty-four million, one hundred fifty-five thousand, two hundred seventeen".