57409589 has 8 divisors (see below), whose sum is σ = 59535000. Its totient is φ = 55293952.

The previous prime is 57409579. The next prime is 57409619. The reversal of 57409589 is 98590475.

It can be written as a sum of positive squares in 4 ways, for example, as 2427364 + 54982225 = 1558^2 + 7415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-57409589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57409519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10817 + ... + 15225.

It is an arithmetic number, because the mean of its divisors is an integer number (7441875).

Almost surely, 2^57409589 is an apocalyptic number.

It is an amenable number.

57409589 is a deficient number, since it is larger than the sum of its proper divisors (2125411).

57409589 is a wasteful number, since it uses less digits than its factorization.

57409589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 57409589 is about 7576.9115739858. The cubic root of 57409589 is about 385.7697289626.

The spelling of 57409589 in words is "fifty-seven million, four hundred nine thousand, five hundred eighty-nine".