557957 has 8 divisors (see below), whose sum is σ = 616896. Its totient is φ = 501952.

The previous prime is 557927. The next prime is 557981. The reversal of 557957 is 759755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557957 - 2¹⁶ = 492421 is a prime.

It is a super-2 number, since 2×557957² = 622632027698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (77112).

2⁵⁵⁷⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

557957 is a deficient number, since it is larger than the sum of its proper divisors (58939).

557957 is a wasteful number, since it uses less digits than its factorization.

557957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 55125, while the sum is 38.

The square root of 557957 is about 746.9651932989. The cubic root of 557957 is about 82.3253483089.

It can be divided in two parts, 5579 and 57, that multiplied together give a triangular number (318003 = T₇₉₇).

The spelling of 557957 in words is "five hundred fifty-seven thousand, nine hundred fifty-seven".