54638018 has 32 divisors (see below), whose sum is σ = 88615296. Its totient is φ = 25204608.

The previous prime is 54638009. The next prime is 54638021. The reversal of 54638018 is 81083645.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177821 + ... + 178127.

It is an arithmetic number, because the mean of its divisors is an integer number (2769228).

Almost surely, 2^54638018 is an apocalyptic number.

54638018 is a deficient number, since it is larger than the sum of its proper divisors (33977278).

54638018 is a wasteful number, since it uses less digits than its factorization.

54638018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 54638018 is about 7391.7533779206. The cubic root of 54638018 is about 379.4591057996.

The spelling of 54638018 in words is "fifty-four million, six hundred thirty-eight thousand, eighteen".