557809214 has 8 divisors (see below), whose sum is σ = 842329800. Its totient is φ = 277032616.

The previous prime is 557809211. The next prime is 557809247. The reversal of 557809214 is 412908755.

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

It is a super-2 number, since 2×557809214² = 622302238446595592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557809211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935624 + ... + 936219.

It is an arithmetic number, because the mean of its divisors is an integer number (105291225).

Almost surely, 2^557809214 is an apocalyptic number.

557809214 is a deficient number, since it is larger than the sum of its proper divisors (284520586).

557809214 is a wasteful number, since it uses less digits than its factorization.

557809214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871994.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 557809214 is about 23617.9849690866. The cubic root of 557809214 is about 823.1807916553.

The spelling of 557809214 in words is "five hundred fifty-seven million, eight hundred nine thousand, two hundred fourteen".