557107 has 4 divisors (see below), whose sum is σ = 589896. Its totient is φ = 524320.

The previous prime is 557093. The next prime is 557153. The reversal of 557107 is 701755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701755 = 5 ⋅140351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16369 + ... + 16402.

It is an arithmetic number, because the mean of its divisors is an integer number (147474).

2⁵⁵⁷¹⁰⁷ is an apocalyptic number.

557107 is a deficient number, since it is larger than the sum of its proper divisors (32789).

557107 is a wasteful number, since it uses less digits than its factorization.

557107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32788.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 557107 is about 746.3960074920. The cubic root of 557107 is about 82.2835218416.

The spelling of 557107 in words is "five hundred fifty-seven thousand, one hundred seven".