54881280000 has 560 divisors, whose sum is σ = 203698358160. Its totient is φ = 14598144000.

The previous prime is 54881279977. The next prime is 54881280017. The reversal of 54881280000 is 8218845.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 138239802 + ... + 138240198.

Almost surely, 2^54881280000 is an apocalyptic number.

54881280000 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 54881280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101849179080).

54881280000 is an abundant number, since it is smaller than the sum of its proper divisors (148817078160).

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

54881280000 is an frugal number, since it uses more digits than its factorization.

54881280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

Adding to 54881280000 its reverse (8218845), we get a palindrome (54889498845).

The spelling of 54881280000 in words is "fifty-four billion, eight hundred eighty-one million, two hundred eighty thousand".