54128080 has 20 divisors (see below), whose sum is σ = 125847972. Its totient is φ = 21651200.

The previous prime is 54128071. The next prime is 54128089. The reversal of 54128080 is 8082145.

It is an interprime number because it is at equal distance from previous prime (54128071) and next prime (54128089).

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 32672656 = 4632^2 + 5716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54128089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338221 + ... + 338380.

Almost surely, 2^54128080 is an apocalyptic number.

It is an amenable number.

54128080 is an abundant number, since it is smaller than the sum of its proper divisors (71719892).

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

54128080 is a wasteful number, since it uses less digits than its factorization.

54128080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676614 (or 676608 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 54128080 is about 7357.1788071244. The cubic root of 54128080 is about 378.2749136230.

The spelling of 54128080 in words is "fifty-four million, one hundred twenty-eight thousand, eighty".