557232500 has 120 divisors (see below), whose sum is σ = 1388705472. Its totient is φ = 193600000.

The previous prime is 557232491. The next prime is 557232503. The reversal of 557232500 is 5232755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557232503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 632060 + ... + 632940.

Almost surely, 2^557232500 is an apocalyptic number.

557232500 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 557232500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694352736).

557232500 is an abundant number, since it is smaller than the sum of its proper divisors (831472972).

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

557232500 is a wasteful number, since it uses less digits than its factorization.

557232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 557232500 is about 23605.7725990911. The cubic root of 557232500 is about 822.8970007229.

The spelling of 557232500 in words is "five hundred fifty-seven million, two hundred thirty-two thousand, five hundred".