54171687 has 8 divisors (see below), whose sum is σ = 72973936. Its totient is φ = 35741952.

The previous prime is 54171659. The next prime is 54171727. The reversal of 54171687 is 78617145.

54171687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54171687 - 2¹¹ = 54169639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54171287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92788 + ... + 93369.

It is an arithmetic number, because the mean of its divisors is an integer number (9121742).

Almost surely, 2^54171687 is an apocalyptic number.

54171687 is a deficient number, since it is larger than the sum of its proper divisors (18802249).

54171687 is a wasteful number, since it uses less digits than its factorization.

54171687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186257.

The product of its digits is 47040, while the sum is 39.

The square root of 54171687 is about 7360.1417785257. The cubic root of 54171687 is about 378.3764690845.

The spelling of 54171687 in words is "fifty-four million, one hundred seventy-one thousand, six hundred eighty-seven".