54440320 has 192 divisors, whose sum is σ = 154652400. Its totient is φ = 18247680.

The previous prime is 54440317. The next prime is 54440327. The reversal of 54440320 is 2304445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 54440291 and 54440300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440327) 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, 1471342 + ... + 1471378.

Almost surely, 2^54440320 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 54440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77326200).

54440320 is an abundant number, since it is smaller than the sum of its proper divisors (100212080).

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

54440320 is a wasteful number, since it uses less digits than its factorization.

54440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54440320 is about 7378.3683833216. The cubic root of 54440320 is about 379.0008841466. Note that the first 3 decimals are identical.

Adding to 54440320 its reverse (2304445), we get a palindrome (56744765).

The spelling of 54440320 in words is "fifty-four million, four hundred forty thousand, three hundred twenty".