557785489 has 8 divisors (see below), whose sum is σ = 612671040. Its totient is φ = 505452816.

The previous prime is 557785477. The next prime is 557785531. The reversal of 557785489 is 984587755.

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 557785489 - 2¹¹ = 557783441 is a prime.

It is a super-2 number, since 2×557785489² = 622249303477938242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557785429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637762 + ... + 638635.

It is an arithmetic number, because the mean of its divisors is an integer number (76583880).

Almost surely, 2^557785489 is an apocalyptic number.

It is an amenable number.

557785489 is a deficient number, since it is larger than the sum of its proper divisors (54885551).

557785489 is a wasteful number, since it uses less digits than its factorization.

557785489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276439.

The product of its digits is 14112000, while the sum is 58.

The square root of 557785489 is about 23617.4826982047. The cubic root of 557785489 is about 823.1691208542.

The spelling of 557785489 in words is "five hundred fifty-seven million, seven hundred eighty-five thousand, four hundred eighty-nine".