57432085 has 4 divisors (see below), whose sum is σ = 68918508. Its totient is φ = 45945664.

The previous prime is 57432077. The next prime is 57432091. The reversal of 57432085 is 58023475.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39513796 + 17918289 = 6286^2 + 4233^2 .

It is a cyclic number.

It is not a de Polignac number, because 57432085 - 2³ = 57432077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57432085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5743204 + ... + 5743213.

It is an arithmetic number, because the mean of its divisors is an integer number (17229627).

Almost surely, 2^57432085 is an apocalyptic number.

It is an amenable number.

57432085 is a deficient number, since it is larger than the sum of its proper divisors (11486423).

57432085 is a wasteful number, since it uses less digits than its factorization.

57432085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486422.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 57432085 is about 7578.3959384556. The cubic root of 57432085 is about 385.8201104563.

The spelling of 57432085 in words is "fifty-seven million, four hundred thirty-two thousand, eighty-five".