54161218 has 16 divisors (see below), whose sum is σ = 86223744. Its totient is φ = 25427520.

The previous prime is 54161213. The next prime is 54161221. The reversal of 54161218 is 81216145.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54161213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14923 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (5388984).

Almost surely, 2^54161218 is an apocalyptic number.

54161218 is a deficient number, since it is larger than the sum of its proper divisors (32062526).

54161218 is a wasteful number, since it uses less digits than its factorization.

54161218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777.

The product of its digits is 1920, while the sum is 28.

The square root of 54161218 is about 7359.4305486226. The cubic root of 54161218 is about 378.3520930147.

The spelling of 54161218 in words is "fifty-four million, one hundred sixty-one thousand, two hundred eighteen".