1057533849 has 6 divisors (see below), whose sum is σ = 1527548906. Its totient is φ = 705022560.

The previous prime is 1057533847. The next prime is 1057533871. The reversal of 1057533849 is 9483357501.

1057533849 is a `hidden beast` number, since 1 + 0 + 575 + 3 + 38 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 778410000 + 279123849 = 27900^2 + 16707^2 .

It is not a de Polignac number, because 1057533849 - 2¹ = 1057533847 is a prime.

It is a super-2 number, since 2×1057533849² = 2236755683561509602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057533847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58751872 + ... + 58751889.

Almost surely, 2^1057533849 is an apocalyptic number.

It is an amenable number.

1057533849 is a deficient number, since it is larger than the sum of its proper divisors (470015057).

1057533849 is a wasteful number, since it uses less digits than its factorization.

1057533849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117503767 (or 117503764 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 1057533849 is about 32519.7455248346. The cubic root of 1057533849 is about 1018.8214791002.

The spelling of 1057533849 in words is "one billion, fifty-seven million, five hundred thirty-three thousand, eight hundred forty-nine".