57068591 has 4 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 56898912.

The previous prime is 57068569. The next prime is 57068617. The reversal of 57068591 is 19586075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57068591 - 2¹⁴ = 57052207 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 (57061591) 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, 84335 + ... + 85008.

It is an arithmetic number, because the mean of its divisors is an integer number (14309568).

Almost surely, 2^57068591 is an apocalyptic number.

57068591 is a deficient number, since it is larger than the sum of its proper divisors (169681).

57068591 is a wasteful number, since it uses less digits than its factorization.

57068591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169680.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 57068591 is about 7554.3756194672. The cubic root of 57068591 is about 385.0044211557.

The spelling of 57068591 in words is "fifty-seven million, sixty-eight thousand, five hundred ninety-one".