485557 has 4 divisors (see below), whose sum is σ = 495936. Its totient is φ = 475180.

The previous prime is 485543. The next prime is 485567. The reversal of 485557 is 755584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5119 + ... + 5212.

It is an arithmetic number, because the mean of its divisors is an integer number (123984).

2⁴⁸⁵⁵⁵⁷ is an apocalyptic number.

485557 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

485557 is a deficient number, since it is larger than the sum of its proper divisors (10379).

485557 is a wasteful number, since it uses less digits than its factorization.

485557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378.

The product of its digits is 28000, while the sum is 34.

The square root of 485557 is about 696.8192018020. The cubic root of 485557 is about 78.5983459133.

The spelling of 485557 in words is "four hundred eighty-five thousand, five hundred fifty-seven".