557015000 has 80 divisors (see below), whose sum is σ = 1319202720. Its totient is φ = 220400000.

The previous prime is 557014993. The next prime is 557015009. The reversal of 557015000 is 510755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557015009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 504449 + ... + 505551.

It is an arithmetic number, because the mean of its divisors is an integer number (16490034).

Almost surely, 2^557015000 is an apocalyptic number.

557015000 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 557015000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659601360).

557015000 is an abundant number, since it is smaller than the sum of its proper divisors (762187720).

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

557015000 is a wasteful number, since it uses less digits than its factorization.

557015000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 557015000 is about 23601.1652254714. The cubic root of 557015000 is about 822.7899219067.

Adding to 557015000 its reverse (510755), we get a palindrome (557525755).

The spelling of 557015000 in words is "five hundred fifty-seven million, fifteen thousand".