557641 has 16 divisors (see below), whose sum is σ = 685440. Its totient is φ = 443520.

The previous prime is 557639. The next prime is 557663. The reversal of 557641 is 146755.

It is not a de Polignac number, because 557641 - 2¹ = 557639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8290 + ... + 8356.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁵⁵⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

557641 is a deficient number, since it is larger than the sum of its proper divisors (127799).

557641 is a wasteful number, since it uses less digits than its factorization.

557641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its digits is 4200, while the sum is 28.

The square root of 557641 is about 746.7536407678. The cubic root of 557641 is about 82.3098036685.

The spelling of 557641 in words is "five hundred fifty-seven thousand, six hundred forty-one".