557682239 has 4 divisors (see below), whose sum is σ = 557825424. Its totient is φ = 557539056.

The previous prime is 557682227. The next prime is 557682253. The reversal of 557682239 is 932286755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557682239 is a prime.

It is a super-3 number, since 3×557682239³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557682193 and 557682202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557682269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65582 + ... + 73595.

It is an arithmetic number, because the mean of its divisors is an integer number (139456356).

Almost surely, 2^557682239 is an apocalyptic number.

557682239 is a deficient number, since it is larger than the sum of its proper divisors (143185).

557682239 is a wasteful number, since it uses less digits than its factorization.

557682239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143184.

The product of its digits is 907200, while the sum is 47.

The square root of 557682239 is about 23615.2967163235. The cubic root of 557682239 is about 823.1183262637.

The spelling of 557682239 in words is "five hundred fifty-seven million, six hundred eighty-two thousand, two hundred thirty-nine".