557317223 has 4 divisors (see below), whose sum is σ = 570910368. Its totient is φ = 543724080.

The previous prime is 557317217. The next prime is 557317231. The reversal of 557317223 is 322713755.

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 557317223 - 2²² = 553122919 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 (557317213) 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, 6796511 + ... + 6796592.

It is an arithmetic number, because the mean of its divisors is an integer number (142727592).

Almost surely, 2^557317223 is an apocalyptic number.

557317223 is a deficient number, since it is larger than the sum of its proper divisors (13593145).

557317223 is a wasteful number, since it uses less digits than its factorization.

557317223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593144.

The product of its digits is 44100, while the sum is 35.

The square root of 557317223 is about 23607.5670707509. The cubic root of 557317223 is about 822.9387037041.

The spelling of 557317223 in words is "five hundred fifty-seven million, three hundred seventeen thousand, two hundred twenty-three".