54448240 has 80 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 16968960.

The previous prime is 54448213. The next prime is 54448253. The reversal of 54448240 is 4284445.

54448240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×54448240² = 5929221678195200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (1973088).

Almost surely, 2^54448240 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 54448240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78923520).

54448240 is an abundant number, since it is smaller than the sum of its proper divisors (103398800).

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

54448240 is a wasteful number, since it uses less digits than its factorization.

54448240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870 (or 8864 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 54448240 is about 7378.9050678268. The cubic root of 54448240 is about 379.0192623233.

It can be divided in two parts, 544 and 48240, that added together give a palindrome (48784).

The spelling of 54448240 in words is "fifty-four million, four hundred forty-eight thousand, two hundred forty".