57529989 has 24 divisors (see below), whose sum is σ = 95988672. Its totient is φ = 32814720.

The previous prime is 57529987. The next prime is 57529991. The reversal of 57529989 is 98992575.

It is an interprime number because it is at equal distance from previous prime (57529987) and next prime (57529991).

It is not a de Polignac number, because 57529989 - 2¹ = 57529987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57529987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15409 + ... + 18774.

It is an arithmetic number, because the mean of its divisors is an integer number (3999528).

Almost surely, 2^57529989 is an apocalyptic number.

It is an amenable number.

57529989 is a deficient number, since it is larger than the sum of its proper divisors (38458683).

57529989 is a wasteful number, since it uses less digits than its factorization.

57529989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34217 (or 34214 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 57529989 is about 7584.8526023912. The cubic root of 57529989 is about 386.0392207814.

The spelling of 57529989 in words is "fifty-seven million, five hundred twenty-nine thousand, nine hundred eighty-nine".