57687445 has 8 divisors (see below), whose sum is σ = 69872544. Its totient is φ = 45718224.

The previous prime is 57687437. The next prime is 57687457. The reversal of 57687445 is 54478675.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57687445 - 2³ = 57687437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57687395 and 57687404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53379 + ... + 54448.

It is an arithmetic number, because the mean of its divisors is an integer number (8734068).

Almost surely, 2^57687445 is an apocalyptic number.

It is an amenable number.

57687445 is a deficient number, since it is larger than the sum of its proper divisors (12185099).

57687445 is a wasteful number, since it uses less digits than its factorization.

57687445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107939.

The product of its digits is 940800, while the sum is 46.

The square root of 57687445 is about 7595.2251447867. The cubic root of 57687445 is about 386.3910884049.

The spelling of 57687445 in words is "fifty-seven million, six hundred eighty-seven thousand, four hundred forty-five".