557388282 has 64 divisors (see below), whose sum is σ = 1293335424. Its totient is φ = 158269440.

The previous prime is 557388259. The next prime is 557388301. The reversal of 557388282 is 282883755.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287388 + ... + 289320.

It is an arithmetic number, because the mean of its divisors is an integer number (20208366).

Almost surely, 2^557388282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557388282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646667712).

557388282 is an abundant number, since it is smaller than the sum of its proper divisors (735947142).

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

557388282 is a wasteful number, since it uses less digits than its factorization.

557388282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223.

The product of its digits is 1075200, while the sum is 48.

The square root of 557388282 is about 23609.0720275067. The cubic root of 557388282 is about 822.9736776315.

The spelling of 557388282 in words is "five hundred fifty-seven million, three hundred eighty-eight thousand, two hundred eighty-two".