54121640271 has 8 divisors (see below), whose sum is σ = 73840377600. Its totient is φ = 35241998232.

The previous prime is 54121640263. The next prime is 54121640273. The reversal of 54121640271 is 17204612145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54121640271 - 2³ = 54121640263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54121640273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209773671 + ... + 209773928.

It is an arithmetic number, because the mean of its divisors is an integer number (9230047200).

Almost surely, 2^54121640271 is an apocalyptic number.

54121640271 is a deficient number, since it is larger than the sum of its proper divisors (19718737329).

54121640271 is a wasteful number, since it uses less digits than its factorization.

54121640271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419547645.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 54121640271 in words is "fifty-four billion, one hundred twenty-one million, six hundred forty thousand, two hundred seventy-one".