57392691 has 8 divisors (see below), whose sum is σ = 76609680. Its totient is φ = 38218752.

The previous prime is 57392689. The next prime is 57392707. The reversal of 57392691 is 19629375.

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

It is not a de Polignac number, because 57392691 - 2¹ = 57392689 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57392611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7510 + ... + 13083.

It is an arithmetic number, because the mean of its divisors is an integer number (9576210).

Almost surely, 2^57392691 is an apocalyptic number.

57392691 is a deficient number, since it is larger than the sum of its proper divisors (19216989).

57392691 is a wasteful number, since it uses less digits than its factorization.

57392691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21525.

The product of its digits is 102060, while the sum is 42.

The square root of 57392691 is about 7575.7963937793. The cubic root of 57392691 is about 385.7318759566.

The spelling of 57392691 in words is "fifty-seven million, three hundred ninety-two thousand, six hundred ninety-one".