53531054400000 has 240 divisors, whose sum is σ = 178251200443008. Its totient is φ = 14274946560000.

The previous prime is 53531054399993. The next prime is 53531054400001. The reversal of 53531054400000 is 445013535.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (53531054400001) 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, 776152 + ... + 10376151.

Almost surely, 2^{53531054400000} is an apocalyptic number.

53531054400000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53531054400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89125600221504).

53531054400000 is an abundant number, since it is smaller than the sum of its proper divisors (124720146043008).

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

53531054400000 is an frugal number, since it uses more digits than its factorization.

53531054400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152349 (or 11152313 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 53531054400000 its reverse (445013535), we get a palindrome (53531499413535).

The spelling of 53531054400000 in words is "fifty-three trillion, five hundred thirty-one billion, fifty-four million, four hundred thousand".