54425218 has 4 divisors (see below), whose sum is σ = 81637830. Its totient is φ = 27212608.

The previous prime is 54425213. The next prime is 54425227. The reversal of 54425218 is 81252445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 25877569 = 5343^2 + 5087^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54425218.

It is not an unprimeable number, because it can be changed into a prime (54425213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13606303 + ... + 13606306.

Almost surely, 2^54425218 is an apocalyptic number.

54425218 is a deficient number, since it is larger than the sum of its proper divisors (27212612).

54425218 is a wasteful number, since it uses less digits than its factorization.

54425218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27212611.

The product of its digits is 12800, while the sum is 31.

The square root of 54425218 is about 7377.3449153473. The cubic root of 54425218 is about 378.9658353648.

The spelling of 54425218 in words is "fifty-four million, four hundred twenty-five thousand, two hundred eighteen".