54459198 has 12 divisors (see below), whose sum is σ = 117994968. Its totient is φ = 18153060.

The previous prime is 54459191. The next prime is 54459233. The reversal of 54459198 is 89195445.

54459198 is a `hidden beast` number, since 5 + 4 + 459 + 198 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54459191) 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 5 ways as a sum of consecutive naturals, for example, 1512738 + ... + 1512773.

It is an arithmetic number, because the mean of its divisors is an integer number (9832914).

Almost surely, 2^54459198 is an apocalyptic number.

54459198 is an abundant number, since it is smaller than the sum of its proper divisors (63535770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54459198 is a wasteful number, since it uses less digits than its factorization.

54459198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025519 (or 3025516 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 54459198 is about 7379.6475525597. The cubic root of 54459198 is about 379.0446871701.

The spelling of 54459198 in words is "fifty-four million, four hundred fifty-nine thousand, one hundred ninety-eight".