5457128 has 8 divisors (see below), whose sum is σ = 10232130. Its totient is φ = 2728560.

The previous prime is 5457113. The next prime is 5457139. The reversal of 5457128 is 8217545.

5457128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3319684 + 2137444 = 1822^2 + 1462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 5457094 and 5457103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341063 + ... + 341078.

Almost surely, 2^5457128 is an apocalyptic number.

It is an amenable number.

5457128 is a deficient number, since it is larger than the sum of its proper divisors (4775002).

5457128 is a wasteful number, since it uses less digits than its factorization.

5457128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682147 (or 682143 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 5457128 is about 2336.0496570065. The cubic root of 5457128 is about 176.0575741392.

The spelling of 5457128 in words is "five million, four hundred fifty-seven thousand, one hundred twenty-eight".