557441646 has 32 divisors (see below), whose sum is σ = 1177008000. Its totient is φ = 175517280.

The previous prime is 557441623. The next prime is 557441657. The reversal of 557441646 is 646144755.

557441646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 557441598 and 557441607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32781 + ... + 46791.

It is an arithmetic number, because the mean of its divisors is an integer number (36781500).

Almost surely, 2^557441646 is an apocalyptic number.

557441646 is an abundant number, since it is smaller than the sum of its proper divisors (619566354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557441646 is a wasteful number, since it uses less digits than its factorization.

557441646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384.

The product of its digits is 403200, while the sum is 42.

The square root of 557441646 is about 23610.2021592362. The cubic root of 557441646 is about 822.9999404524. Note that the first 4 decimals are identical.

The spelling of 557441646 in words is "five hundred fifty-seven million, four hundred forty-one thousand, six hundred forty-six".