557255 has 8 divisors (see below), whose sum is σ = 680400. Its totient is φ = 438016.

The previous prime is 557201. The next prime is 557261. The reversal of 557255 is 552755.

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

It is not a de Polignac number, because 557255 - 2⁸ = 556999 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 650 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2⁵⁵⁷²⁵⁵ is an apocalyptic number.

557255 is a deficient number, since it is larger than the sum of its proper divisors (123145).

557255 is a wasteful number, since it uses less digits than its factorization.

557255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953.

The product of its digits is 8750, while the sum is 29.

The square root of 557255 is about 746.4951439896. The cubic root of 557255 is about 82.2908076251.

The spelling of 557255 in words is "five hundred fifty-seven thousand, two hundred fifty-five".