557323760 has 80 divisors (see below), whose sum is σ = 1484208576. Its totient is φ = 190654464.

The previous prime is 557323759. The next prime is 557323807. The reversal of 557323760 is 67323755.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344714 + ... + 346326.

Almost surely, 2^557323760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557323760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742104288).

557323760 is an abundant number, since it is smaller than the sum of its proper divisors (926884816).

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

557323760 is a wasteful number, since it uses less digits than its factorization.

557323760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 557323760 is about 23607.7055217147. The cubic root of 557323760 is about 822.9419212189.

The spelling of 557323760 in words is "five hundred fifty-seven million, three hundred twenty-three thousand, seven hundred sixty".