54198171 has 12 divisors (see below), whose sum is σ = 79764048. Its totient is φ = 35450064.

The previous prime is 54198169. The next prime is 54198173. The reversal of 54198171 is 17189145.

It is an interprime number because it is at equal distance from previous prime (54198169) and next prime (54198173).

It is not a de Polignac number, because 54198171 - 2¹ = 54198169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54198173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56335 + ... + 57288.

It is an arithmetic number, because the mean of its divisors is an integer number (6647004).

Almost surely, 2^54198171 is an apocalyptic number.

54198171 is a deficient number, since it is larger than the sum of its proper divisors (25565877).

54198171 is a wasteful number, since it uses less digits than its factorization.

54198171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113682 (or 113679 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 54198171 is about 7361.9407088077. The cubic root of 54198171 is about 378.4381205385.

The spelling of 54198171 in words is "fifty-four million, one hundred ninety-eight thousand, one hundred seventy-one".