5556628 has 24 divisors (see below), whose sum is σ = 12124224. Its totient is φ = 2164800.

The previous prime is 5556619. The next prime is 5556643. The reversal of 5556628 is 8266555.

It is a super-2 number, since 2×5556628² = 61752229460768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8713 + ... + 9328.

It is an arithmetic number, because the mean of its divisors is an integer number (505176).

Almost surely, 2^5556628 is an apocalyptic number.

It is an amenable number.

5556628 is an abundant number, since it is smaller than the sum of its proper divisors (6567596).

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

5556628 is a wasteful number, since it uses less digits than its factorization.

5556628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18063 (or 18061 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 5556628 is about 2357.2500927988. The cubic root of 5556628 is about 177.1211572200.

The spelling of 5556628 in words is "five million, five hundred fifty-six thousand, six hundred twenty-eight".