557159028 has 12 divisors (see below), whose sum is σ = 1300037760. Its totient is φ = 185719672.

The previous prime is 557159027. The next prime is 557159039. The reversal of 557159028 is 820951755.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557159027) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 23214948 + ... + 23214971.

It is an arithmetic number, because the mean of its divisors is an integer number (108336480).

Almost surely, 2^557159028 is an apocalyptic number.

It is an amenable number.

557159028 is an abundant number, since it is smaller than the sum of its proper divisors (742878732).

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

557159028 is a wasteful number, since it uses less digits than its factorization.

557159028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46429926 (or 46429924 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 557159028 is about 23604.2163182767. The cubic root of 557159028 is about 822.8608323695.

The spelling of 557159028 in words is "five hundred fifty-seven million, one hundred fifty-nine thousand, twenty-eight".