54542605171 has 4 divisors (see below), whose sum is σ = 54543277144. Its totient is φ = 54541933200.

The previous prime is 54542605147. The next prime is 54542605193. The reversal of 54542605171 is 17150624545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54542605171 - 2³¹ = 52395121523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54542600171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194325 + ... + 383206.

It is an arithmetic number, because the mean of its divisors is an integer number (13635819286).

Almost surely, 2^54542605171 is an apocalyptic number.

54542605171 is a deficient number, since it is larger than the sum of its proper divisors (671973).

54542605171 is an equidigital number, since it uses as much as digits as its factorization.

54542605171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671972.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 54542605171 in words is "fifty-four billion, five hundred forty-two million, six hundred five thousand, one hundred seventy-one".