57680457 has 4 divisors (see below), whose sum is σ = 76907280. Its totient is φ = 38453636.

The previous prime is 57680443. The next prime is 57680461. The reversal of 57680457 is 75408675.

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 57680457 - 2¹¹ = 57678409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57680407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9613407 + ... + 9613412.

It is an arithmetic number, because the mean of its divisors is an integer number (19226820).

Almost surely, 2^57680457 is an apocalyptic number.

It is an amenable number.

57680457 is a deficient number, since it is larger than the sum of its proper divisors (19226823).

57680457 is a wasteful number, since it uses less digits than its factorization.

57680457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226822.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 57680457 is about 7594.7651049917. The cubic root of 57680457 is about 386.3754858767.

The spelling of 57680457 in words is "fifty-seven million, six hundred eighty thousand, four hundred fifty-seven".