57431697 has 8 divisors (see below), whose sum is σ = 78205056. Its totient is φ = 37473072.

The previous prime is 57431669. The next prime is 57431707. The reversal of 57431697 is 79613475.

57431697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 57431697 - 2⁸ = 57431441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57433697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203518 + ... + 203799.

It is an arithmetic number, because the mean of its divisors is an integer number (9775632).

Almost surely, 2^57431697 is an apocalyptic number.

It is an amenable number.

57431697 is a deficient number, since it is larger than the sum of its proper divisors (20773359).

57431697 is a wasteful number, since it uses less digits than its factorization.

57431697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407367.

The product of its digits is 158760, while the sum is 42.

The square root of 57431697 is about 7578.3703393276. The cubic root of 57431697 is about 385.8192416125.

The spelling of 57431697 in words is "fifty-seven million, four hundred thirty-one thousand, six hundred ninety-seven".