557563928 has 16 divisors (see below), whose sum is σ = 1045781280. Its totient is φ = 278688928.

The previous prime is 557563921. The next prime is 557563939. The reversal of 557563928 is 829365755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557563921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18401 + ... + 38127.

It is an arithmetic number, because the mean of its divisors is an integer number (65361330).

Almost surely, 2^557563928 is an apocalyptic number.

It is an amenable number.

557563928 is a deficient number, since it is larger than the sum of its proper divisors (488217352).

557563928 is a wasteful number, since it uses less digits than its factorization.

557563928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23266 (or 23262 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 50.

The square root of 557563928 is about 23612.7916181039. The cubic root of 557563928 is about 823.0601145959.

The spelling of 557563928 in words is "five hundred fifty-seven million, five hundred sixty-three thousand, nine hundred twenty-eight".