57530527 has 4 divisors (see below), whose sum is σ = 58058440. Its totient is φ = 57002616.

The previous prime is 57530507. The next prime is 57530549. The reversal of 57530527 is 72503575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57530527 - 2¹⁹ = 57006239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57530492 and 57530501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57530507) 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 3 ways as a sum of consecutive naturals, for example, 263793 + ... + 264010.

It is an arithmetic number, because the mean of its divisors is an integer number (14514610).

Almost surely, 2^57530527 is an apocalyptic number.

57530527 is a deficient number, since it is larger than the sum of its proper divisors (527913).

57530527 is a wasteful number, since it uses less digits than its factorization.

57530527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527912.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 57530527 is about 7584.8880677305. Note that the first 3 decimals coincide. The cubic root of 57530527 is about 386.0404241448.

The spelling of 57530527 in words is "fifty-seven million, five hundred thirty thousand, five hundred twenty-seven".