557581559 has 4 divisors (see below), whose sum is σ = 570548616. Its totient is φ = 544614504.

The previous prime is 557581553. The next prime is 557581573. The reversal of 557581559 is 955185755.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557581559 - 2¹⁶ = 557516023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557581553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6483464 + ... + 6483549.

It is an arithmetic number, because the mean of its divisors is an integer number (142637154).

Almost surely, 2^557581559 is an apocalyptic number.

557581559 is a deficient number, since it is larger than the sum of its proper divisors (12967057).

557581559 is a wasteful number, since it uses less digits than its factorization.

557581559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967056.

The product of its digits is 1575000, while the sum is 50.

The square root of 557581559 is about 23613.1649509336. The cubic root of 557581559 is about 823.0687899658.

The spelling of 557581559 in words is "five hundred fifty-seven million, five hundred eighty-one thousand, five hundred fifty-nine".