54145198 has 4 divisors (see below), whose sum is σ = 81217800. Its totient is φ = 27072598.

The previous prime is 54145183. The next prime is 54145199. The reversal of 54145198 is 89154145.

54145198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89154145 = 5 ⋅17830829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145199) 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 as a sum of consecutive naturals, namely, 13536298 + ... + 13536301.

It is an arithmetic number, because the mean of its divisors is an integer number (20304450).

Almost surely, 2^54145198 is an apocalyptic number.

54145198 is a deficient number, since it is larger than the sum of its proper divisors (27072602).

54145198 is a wasteful number, since it uses less digits than its factorization.

54145198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27072601.

The product of its digits is 28800, while the sum is 37.

The square root of 54145198 is about 7358.3420687000. The cubic root of 54145198 is about 378.3147858883.

The spelling of 54145198 in words is "fifty-four million, one hundred forty-five thousand, one hundred ninety-eight".