54199173 has 16 divisors (see below), whose sum is σ = 85438080. Its totient is φ = 29902656.

The previous prime is 54199169. The next prime is 54199219. The reversal of 54199173 is 37199145.

It is a happy number.

It is not a de Polignac number, because 54199173 - 2² = 54199169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54199133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43890 + ... + 45107.

It is an arithmetic number, because the mean of its divisors is an integer number (5339880).

Almost surely, 2^54199173 is an apocalyptic number.

It is an amenable number.

54199173 is a deficient number, since it is larger than the sum of its proper divisors (31238907).

54199173 is a wasteful number, since it uses less digits than its factorization.

54199173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89036.

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

The square root of 54199173 is about 7362.0087612010. The cubic root of 54199173 is about 378.4404526753.

The spelling of 54199173 in words is "fifty-four million, one hundred ninety-nine thousand, one hundred seventy-three".