5128556 has 12 divisors (see below), whose sum is σ = 9447480. Its totient is φ = 2429280.

The previous prime is 5128553. The next prime is 5128573. The reversal of 5128556 is 6558215.

It is not an unprimeable number, because it can be changed into a prime (5128553) 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, 33665 + ... + 33816.

It is an arithmetic number, because the mean of its divisors is an integer number (787290).

Almost surely, 2^5128556 is an apocalyptic number.

It is an amenable number.

5128556 is a deficient number, since it is larger than the sum of its proper divisors (4318924).

5128556 is a wasteful number, since it uses less digits than its factorization.

5128556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67504 (or 67502 counting only the distinct ones).

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

The square root of 5128556 is about 2264.6315373588. The cubic root of 5128556 is about 172.4507287691.

The spelling of 5128556 in words is "five million, one hundred twenty-eight thousand, five hundred fifty-six".