54550218 has 16 divisors (see below), whose sum is σ = 112862880. Its totient is φ = 17556336.

The previous prime is 54550207. The next prime is 54550219. The reversal of 54550218 is 81205545.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54550219) 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, 156580 + ... + 156927.

It is an arithmetic number, because the mean of its divisors is an integer number (7053930).

Almost surely, 2^54550218 is an apocalyptic number.

54550218 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

54550218 is an abundant number, since it is smaller than the sum of its proper divisors (58312662).

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

54550218 is a wasteful number, since it uses less digits than its factorization.

54550218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313541.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 54550218 is about 7385.8119391168. The cubic root of 54550218 is about 379.2557408623.

The spelling of 54550218 in words is "fifty-four million, five hundred fifty thousand, two hundred eighteen".