54671540171 has 2 divisors, whose sum is σ = 54671540172. Its totient is φ = 54671540170.

The previous prime is 54671540087. The next prime is 54671540207. The reversal of 54671540171 is 17104517645.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54671540171 is a prime.

It is not a weakly prime, because it can be changed into another prime (54671500171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27335770085 + 27335770086.

It is an arithmetic number, because the mean of its divisors is an integer number (27335770086).

Almost surely, 2^54671540171 is an apocalyptic number.

54671540171 is a deficient number, since it is larger than the sum of its proper divisors (1).

54671540171 is an equidigital number, since it uses as much as digits as its factorization.

54671540171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 54671540171 in words is "fifty-four billion, six hundred seventy-one million, five hundred forty thousand, one hundred seventy-one".