54989028784 has 120 divisors (see below), whose sum is σ = 117276087600. Its totient is φ = 24954716160.

The previous prime is 54989028739. The next prime is 54989028811. The reversal of 54989028784 is 48782098945.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16871347 + ... + 16874605.

It is an arithmetic number, because the mean of its divisors is an integer number (977300730).

Almost surely, 2^54989028784 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 54989028784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58638043800).

54989028784 is an abundant number, since it is smaller than the sum of its proper divisors (62287058816).

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

54989028784 is a wasteful number, since it uses less digits than its factorization.

54989028784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 54989028784 in words is "fifty-four billion, nine hundred eighty-nine million, twenty-eight thousand, seven hundred eighty-four".