54218544 has 80 divisors (see below), whose sum is σ = 148538112. Its totient is φ = 17005824.

The previous prime is 54218539. The next prime is 54218551. The reversal of 54218544 is 44581245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73602 + ... + 74334.

Almost surely, 2^54218544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54218544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74269056).

54218544 is an abundant number, since it is smaller than the sum of its proper divisors (94319568).

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

54218544 is a wasteful number, since it uses less digits than its factorization.

54218544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 828 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 54218544 is about 7363.3242492776. The cubic root of 54218544 is about 378.4855326795.

Adding to 54218544 its reverse (44581245), we get a palindrome (98799789).

The spelling of 54218544 in words is "fifty-four million, two hundred eighteen thousand, five hundred forty-four".