555555628 has 6 divisors (see below), whose sum is σ = 972222356. Its totient is φ = 277777812.

The previous prime is 555555599. The next prime is 555555643. The reversal of 555555628 is 826555555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69444450 + ... + 69444457.

Almost surely, 2^555555628 is an apocalyptic number.

It is an amenable number.

555555628 is a deficient number, since it is larger than the sum of its proper divisors (416666728).

555555628 is a wasteful number, since it uses less digits than its factorization.

555555628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138888911 (or 138888909 counting only the distinct ones).

The product of its digits is 1500000, while the sum is 46.

The square root of 555555628 is about 23570.2275763303. The cubic root of 555555628 is about 822.0707271762.

The spelling of 555555628 in words is "five hundred fifty-five million, five hundred fifty-five thousand, six hundred twenty-eight".