54521354240 has 96 divisors (see below), whose sum is σ = 137705022000. Its totient is φ = 20660649984.

The previous prime is 54521354231. The next prime is 54521354243. The reversal of 54521354240 is 4245312545.

It is a self number, because there is not a number n which added to its sum of digits gives 54521354240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54521354243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54446 + ... + 334674.

Almost surely, 2^54521354240 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 54521354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68852511000).

54521354240 is an abundant number, since it is smaller than the sum of its proper divisors (83183667760).

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

54521354240 is a wasteful number, since it uses less digits than its factorization.

54521354240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280275 (or 280255 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 54521354240 its reverse (4245312545), we get a palindrome (58766666785).

The spelling of 54521354240 in words is "fifty-four billion, five hundred twenty-one million, three hundred fifty-four thousand, two hundred forty".