54993171 has 8 divisors (see below), whose sum is σ = 74707920. Its totient is φ = 35970272.

The previous prime is 54993157. The next prime is 54993179. The reversal of 54993171 is 17139945.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54993171 - 2⁵ = 54993139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54993179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172776 + ... + 173093.

It is an arithmetic number, because the mean of its divisors is an integer number (9338490).

Almost surely, 2^54993171 is an apocalyptic number.

54993171 is a deficient number, since it is larger than the sum of its proper divisors (19714749).

54993171 is a wasteful number, since it uses less digits than its factorization.

54993171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345925.

The product of its digits is 34020, while the sum is 39.

The square root of 54993171 is about 7415.7380617171. The cubic root of 54993171 is about 380.2795058111.

The spelling of 54993171 in words is "fifty-four million, nine hundred ninety-three thousand, one hundred seventy-one".