485164557 has 6 divisors (see below), whose sum is σ = 700793262. Its totient is φ = 323443032.

The previous prime is 485164541. The next prime is 485164591. The reversal of 485164557 is 755461584.

485164557 is a `hidden beast` number, since 4 + 85 + 16 + 4 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 485144676 + 19881 = 22026^2 + 141^2 .

It is not a de Polignac number, because 485164557 - 2⁴ = 485164541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485164157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26953578 + ... + 26953595.

It is an arithmetic number, because the mean of its divisors is an integer number (116798877).

Almost surely, 2^485164557 is an apocalyptic number.

It is an amenable number.

485164557 is a deficient number, since it is larger than the sum of its proper divisors (215628705).

485164557 is a wasteful number, since it uses less digits than its factorization.

485164557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53907179 (or 53907176 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 485164557 is about 22026.4513029221. The cubic root of 485164557 is about 785.7716495718.

The spelling of 485164557 in words is "four hundred eighty-five million, one hundred sixty-four thousand, five hundred fifty-seven".