557986345 has 8 divisors (see below), whose sum is σ = 765238464. Its totient is φ = 382619184.

The previous prime is 557986333. The next prime is 557986349. The reversal of 557986345 is 543689755.

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

It is a cyclic number.

It is not a de Polignac number, because 557986345 - 2⁷ = 557986217 is a prime.

It is a super-2 number, since 2×557986345² = 622697522412918050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557986292 and 557986301.

It is not an unprimeable number, because it can be changed into a prime (557986349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971199 + ... + 7971268.

It is an arithmetic number, because the mean of its divisors is an integer number (95654808).

Almost surely, 2^557986345 is an apocalyptic number.

It is an amenable number.

557986345 is a deficient number, since it is larger than the sum of its proper divisors (207252119).

557986345 is a wasteful number, since it uses less digits than its factorization.

557986345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15942479.

The product of its digits is 4536000, while the sum is 52.

The square root of 557986345 is about 23621.7345891448. The cubic root of 557986345 is about 823.2679154735.

The spelling of 557986345 in words is "five hundred fifty-seven million, nine hundred eighty-six thousand, three hundred forty-five".