54198578 has 16 divisors (see below), whose sum is σ = 94300224. Its totient is φ = 22880880.

The previous prime is 54198569. The next prime is 54198587. The reversal of 54198578 is 87589145.

It is an interprime number because it is at equal distance from previous prime (54198569) and next prime (54198587).

It is an unprimeable number.

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, 27953 + ... + 29828.

It is an arithmetic number, because the mean of its divisors is an integer number (5893764).

Almost surely, 2^54198578 is an apocalyptic number.

54198578 is a deficient number, since it is larger than the sum of its proper divisors (40101646).

54198578 is a wasteful number, since it uses less digits than its factorization.

54198578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57857.

The product of its digits is 403200, while the sum is 47.

The square root of 54198578 is about 7361.9683509235. The cubic root of 54198578 is about 378.4390678271.

The spelling of 54198578 in words is "fifty-four million, one hundred ninety-eight thousand, five hundred seventy-eight".