5555128 has 8 divisors (see below), whose sum is σ = 10415880. Its totient is φ = 2777560.

The previous prime is 5555117. The next prime is 5555149. The reversal of 5555128 is 8215555.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5555128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347188 + ... + 347203.

It is an arithmetic number, because the mean of its divisors is an integer number (1301985).

Almost surely, 2^5555128 is an apocalyptic number.

It is an amenable number.

5555128 is a deficient number, since it is larger than the sum of its proper divisors (4860752).

5555128 is a wasteful number, since it uses less digits than its factorization.

5555128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694397 (or 694393 counting only the distinct ones).

The product of its digits is 10000, while the sum is 31.

The square root of 5555128 is about 2356.9319039803. The cubic root of 5555128 is about 177.1052179581.

The spelling of 5555128 in words is "five million, five hundred fifty-five thousand, one hundred twenty-eight".