54218313 has 24 divisors (see below), whose sum is σ = 82917120. Its totient is φ = 34080480.

The previous prime is 54218309. The next prime is 54218323. The reversal of 54218313 is 31381245.

It is a happy number.

It is not a de Polignac number, because 54218313 - 2² = 54218309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54218323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8808 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (3454880).

Almost surely, 2^54218313 is an apocalyptic number.

It is an amenable number.

54218313 is a deficient number, since it is larger than the sum of its proper divisors (28698807).

54218313 is a wasteful number, since it uses less digits than its factorization.

54218313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909 (or 4906 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 54218313 is about 7363.3085634109. The cubic root of 54218313 is about 378.4849951618.

Adding to 54218313 its reverse (31381245), we get a palindrome (85599558).

The spelling of 54218313 in words is "fifty-four million, two hundred eighteen thousand, three hundred thirteen".