557623 has 8 divisors (see below), whose sum is σ = 614016. Its totient is φ = 502200.

The previous prime is 557611. The next prime is 557633. The reversal of 557623 is 326755.

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 557623 - 2⁵ = 557591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557591 and 557600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (76752).

2⁵⁵⁷⁶²³ is an apocalyptic number.

557623 is a deficient number, since it is larger than the sum of its proper divisors (56393).

557623 is a wasteful number, since it uses less digits than its factorization.

557623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its digits is 6300, while the sum is 28.

The square root of 557623 is about 746.7415885030. The cubic root of 557623 is about 82.3089180375.

The spelling of 557623 in words is "five hundred fifty-seven thousand, six hundred twenty-three".