557428873 has 8 divisors (see below), whose sum is σ = 569576160. Its totient is φ = 545371680.

The previous prime is 557428871. The next prime is 557428877. The reversal of 557428873 is 378824755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557428873 - 2¹ = 557428871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557428871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940 + ... + 34837.

It is an arithmetic number, because the mean of its divisors is an integer number (71197020).

Almost surely, 2^557428873 is an apocalyptic number.

It is an amenable number.

557428873 is a deficient number, since it is larger than the sum of its proper divisors (12147287).

557428873 is a wasteful number, since it uses less digits than its factorization.

557428873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45047.

The product of its digits is 1881600, while the sum is 49.

The square root of 557428873 is about 23609.9316602145. The cubic root of 557428873 is about 822.9936544380.

The spelling of 557428873 in words is "five hundred fifty-seven million, four hundred twenty-eight thousand, eight hundred seventy-three".