5556728445 has 16 divisors (see below), whose sum is σ = 8891690112. Its totient is φ = 2963280320.

The previous prime is 5556728431. The next prime is 5556728453. The reversal of 5556728445 is 5448276555.

It is not a de Polignac number, because 5556728445 - 2⁶ = 5556728381 is a prime.

It is a super-2 number, since 2×5556728445² = 61754462022944236050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267535 + ... + 287555.

It is an arithmetic number, because the mean of its divisors is an integer number (555730632).

Almost surely, 2^5556728445 is an apocalyptic number.

It is an amenable number.

5556728445 is a deficient number, since it is larger than the sum of its proper divisors (3334961667).

5556728445 is a wasteful number, since it uses less digits than its factorization.

5556728445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38532.

The product of its digits is 6720000, while the sum is 51.

The square root of 5556728445 is about 74543.4668163482. The cubic root of 5556728445 is about 1771.2222446361. Note that the first 4 decimals are identical.

The spelling of 5556728445 in words is "five billion, five hundred fifty-six million, seven hundred twenty-eight thousand, four hundred forty-five".