557053281 has 20 divisors (see below), whose sum is σ = 845790484. Its totient is φ = 365277600.

The previous prime is 557053271. The next prime is 557053283. The reversal of 557053281 is 182350755.

557053281 is a `hidden beast` number, since 5 + 570 + 5 + 3 + 2 + 81 = 666.

557053281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119574225 + 437479056 = 10935^2 + 20916^2 .

It is not a de Polignac number, because 557053281 - 2¹⁰ = 557052257 is a prime.

It is a super-2 number, since 2×557053281² = 620616715745729922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557053283) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51430 + ... + 61311.

Almost surely, 2^557053281 is an apocalyptic number.

It is an amenable number.

557053281 is a deficient number, since it is larger than the sum of its proper divisors (288737203).

557053281 is a wasteful number, since it uses less digits than its factorization.

557053281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112814 (or 112805 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 557053281 is about 23601.9762096313. The cubic root of 557053281 is about 822.8087702917.

The spelling of 557053281 in words is "five hundred fifty-seven million, fifty-three thousand, two hundred eighty-one".