54430218 has 40 divisors (see below), whose sum is σ = 122448612. Its totient is φ = 18071424.

The previous prime is 54430177. The next prime is 54430241. The reversal of 54430218 is 81203445.

54430218 is a `hidden beast` number, since 5 + 443 + 0 + 218 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54066609 + 363609 = 7353^2 + 603^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54430191 and 54430200.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54096 + ... + 55092.

Almost surely, 2^54430218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54430218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61224306).

54430218 is an abundant number, since it is smaller than the sum of its proper divisors (68018394).

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

54430218 is a wasteful number, since it uses less digits than its factorization.

54430218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54430218 is about 7377.6837828684. The cubic root of 54430218 is about 378.9774401026.

The spelling of 54430218 in words is "fifty-four million, four hundred thirty thousand, two hundred eighteen".