557320000 has 70 divisors (see below), whose sum is σ = 1382071658. Its totient is φ = 222912000.

The previous prime is 557319949. The next prime is 557320007. The reversal of 557320000 is 23755.

It can be written as a sum of positive squares in 5 ways, for example, as 51609856 + 505710144 = 7184^2 + 22488^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557320007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 33034 + ... + 46966.

Almost surely, 2^557320000 is an apocalyptic number.

557320000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691035829).

557320000 is an abundant number, since it is smaller than the sum of its proper divisors (824751658).

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

557320000 is an equidigital number, since it uses as much as digits as its factorization.

557320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965 (or 13940 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 557320000 is about 23607.6258865647. The cubic root of 557320000 is about 822.9400705480.

Adding to 557320000 its reverse (23755), we get a palindrome (557343755).

The spelling of 557320000 in words is "five hundred fifty-seven million, three hundred twenty thousand".