57116823 has 8 divisors (see below), whose sum is σ = 76339200. Its totient is φ = 37986168.

The previous prime is 57116809. The next prime is 57116833. The reversal of 57116823 is 32861175.

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

It is not a de Polignac number, because 57116823 - 2⁵ = 57116791 is a prime.

It is a super-2 number, since 2×57116823² = 6524662939226658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57116833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21463 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (9542400).

Almost surely, 2^57116823 is an apocalyptic number.

57116823 is a deficient number, since it is larger than the sum of its proper divisors (19222377).

57116823 is a wasteful number, since it uses less digits than its factorization.

57116823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45861.

The product of its digits is 10080, while the sum is 33.

The square root of 57116823 is about 7557.5672673156. The cubic root of 57116823 is about 385.1128538562.

Adding to 57116823 its reverse (32861175), we get a palindrome (89977998).

The spelling of 57116823 in words is "fifty-seven million, one hundred sixteen thousand, eight hundred twenty-three".