557534250 has 288 divisors, whose sum is σ = 1893462480. Its totient is φ = 117331200.

The previous prime is 557534239. The next prime is 557534291. The reversal of 557534250 is 52435755.

557534250 is a `hidden beast` number, since 5 + 575 + 34 + 2 + 50 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 13198689 + 544335561 = 3633^2 + 23331^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1433056 + ... + 1433444.

Almost surely, 2^557534250 is an apocalyptic number.

557534250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 557534250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946731240).

557534250 is an abundant number, since it is smaller than the sum of its proper divisors (1335928230).

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

557534250 is a wasteful number, since it uses less digits than its factorization.

557534250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The square root of 557534250 is about 23612.1631791753. The cubic root of 557534250 is about 823.0455110618.

The spelling of 557534250 in words is "five hundred fifty-seven million, five hundred thirty-four thousand, two hundred fifty".