57532513 has 4 divisors (see below), whose sum is σ = 60560560. Its totient is φ = 54504468.

The previous prime is 57532483. The next prime is 57532561. The reversal of 57532513 is 31523575.

57532513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 57532513 - 2¹³ = 57524321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57532583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513995 + ... + 1514032.

It is an arithmetic number, because the mean of its divisors is an integer number (15140140).

Almost surely, 2^57532513 is an apocalyptic number.

It is an amenable number.

57532513 is a deficient number, since it is larger than the sum of its proper divisors (3028047).

57532513 is a wasteful number, since it uses less digits than its factorization.

57532513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028046.

The product of its digits is 15750, while the sum is 31.

The square root of 57532513 is about 7585.0189848147. The cubic root of 57532513 is about 386.0448662355.

The spelling of 57532513 in words is "fifty-seven million, five hundred thirty-two thousand, five hundred thirteen".