6555128 has 8 divisors (see below), whose sum is σ = 12290880. Its totient is φ = 3277560.

The previous prime is 6555119. The next prime is 6555139. The reversal of 6555128 is 8215556.

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 = 6555094 and 6555103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409688 + ... + 409703.

It is an arithmetic number, because the mean of its divisors is an integer number (1536360).

Almost surely, 2^6555128 is an apocalyptic number.

It is an amenable number.

6555128 is a deficient number, since it is larger than the sum of its proper divisors (5735752).

6555128 is a wasteful number, since it uses less digits than its factorization.

6555128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819397 (or 819393 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 6555128 is about 2560.2984201065. The cubic root of 6555128 is about 187.1516780578.

The spelling of 6555128 in words is "six million, five hundred fifty-five thousand, one hundred twenty-eight".