57457663 has 16 divisors (see below), whose sum is σ = 60834816. Its totient is φ = 54198720.

The previous prime is 57457661. The next prime is 57457679. The reversal of 57457663 is 36675475.

It is a cyclic number.

It is not a de Polignac number, because 57457663 - 2¹ = 57457661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57457661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352420 + ... + 352582.

It is an arithmetic number, because the mean of its divisors is an integer number (3802176).

Almost surely, 2^57457663 is an apocalyptic number.

57457663 is a deficient number, since it is larger than the sum of its proper divisors (3377153).

57457663 is a wasteful number, since it uses less digits than its factorization.

57457663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its digits is 529200, while the sum is 43.

The square root of 57457663 is about 7580.0833108878. The cubic root of 57457663 is about 385.8773783414.

The spelling of 57457663 in words is "fifty-seven million, four hundred fifty-seven thousand, six hundred sixty-three".