557429 has 4 divisors (see below), whose sum is σ = 562476. Its totient is φ = 552384.

The previous prime is 557423. The next prime is 557443. The reversal of 557429 is 924755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70225 + 487204 = 265^2 + 698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 557395 and 557404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557423) 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, 2354 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (140619).

2⁵⁵⁷⁴²⁹ is an apocalyptic number.

It is an amenable number.

557429 is a deficient number, since it is larger than the sum of its proper divisors (5047).

557429 is a wasteful number, since it uses less digits than its factorization.

557429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its digits is 12600, while the sum is 32.

The square root of 557429 is about 746.6116795229. The cubic root of 557429 is about 82.2993716939.

The spelling of 557429 in words is "five hundred fifty-seven thousand, four hundred twenty-nine".