57432686 has 8 divisors (see below), whose sum is σ = 86211000. Its totient is φ = 28695688.

The previous prime is 57432671. The next prime is 57432689. The reversal of 57432686 is 68623475.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57432689) 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, 6581 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (10776375).

Almost surely, 2^57432686 is an apocalyptic number.

57432686 is a deficient number, since it is larger than the sum of its proper divisors (28778314).

57432686 is a wasteful number, since it uses less digits than its factorization.

57432686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658.

The product of its digits is 241920, while the sum is 41.

The square root of 57432686 is about 7578.4355905424. The cubic root of 57432686 is about 385.8214562608.

The spelling of 57432686 in words is "fifty-seven million, four hundred thirty-two thousand, six hundred eighty-six".