54049486128 has 120 divisors (see below), whose sum is σ = 155638038528. Its totient is φ = 16147824000.

The previous prime is 54049486123. The next prime is 54049486159. The reversal of 54049486128 is 82168494045.

It is not an unprimeable number, because it can be changed into a prime (54049486123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346833 + ... + 477903.

Almost surely, 2^54049486128 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 54049486128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77819019264).

54049486128 is an abundant number, since it is smaller than the sum of its proper divisors (101588552400).

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

54049486128 is a wasteful number, since it uses less digits than its factorization.

54049486128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131175 (or 131158 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 54049486128 in words is "fifty-four billion, forty-nine million, four hundred eighty-six thousand, one hundred twenty-eight".