557950566 has 8 divisors (see below), whose sum is σ = 1115901144. Its totient is φ = 185983520.

The previous prime is 557950559. The next prime is 557950571. The reversal of 557950566 is 665059755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

557950566 is an admirable number.

It is a super-2 number, since 2×557950566² = 622617668199440712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46495875 + ... + 46495886.

It is an arithmetic number, because the mean of its divisors is an integer number (139487643).

Almost surely, 2^557950566 is an apocalyptic number.

557950566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557950566 is a wasteful number, since it uses less digits than its factorization.

557950566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92991766.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The square root of 557950566 is about 23620.9772448136. The cubic root of 557950566 is about 823.2503186675.

The spelling of 557950566 in words is "five hundred fifty-seven million, nine hundred fifty thousand, five hundred sixty-six".