557417250 has 384 divisors, whose sum is σ = 1839801600. Its totient is φ = 120268800.

The previous prime is 557417219. The next prime is 557417261. The reversal of 557417250 is 52714755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9447721 + ... + 9447779.

It is an arithmetic number, because the mean of its divisors is an integer number (4791150).

Almost surely, 2^557417250 is an apocalyptic number.

557417250 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 557417250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919900800).

557417250 is an abundant number, since it is smaller than the sum of its proper divisors (1282384350).

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

557417250 is a wasteful number, since it uses less digits than its factorization.

557417250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 557417250 is about 23609.6855125180. The cubic root of 557417250 is about 822.9879342932.

The spelling of 557417250 in words is "five hundred fifty-seven million, four hundred seventeen thousand, two hundred fifty".