54554240 has 128 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 19648512.

The previous prime is 54554239. The next prime is 54554267. The reversal of 54554240 is 4245545.

It is a tau number, because it is divible by the number of its divisors (128).

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, 657239 + ... + 657321.

It is an arithmetic number, because the mean of its divisors is an integer number (1124550).

Almost surely, 2^54554240 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 54554240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71971200).

54554240 is an abundant number, since it is smaller than the sum of its proper divisors (89388160).

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

54554240 is a wasteful number, since it uses less digits than its factorization.

54554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 54554240 is about 7386.0842128966. The cubic root of 54554240 is about 379.2650615040.

Adding to 54554240 its reverse (4245545), we get a palindrome (58799785).

The spelling of 54554240 in words is "fifty-four million, five hundred fifty-four thousand, two hundred forty".