57816893 has 2 divisors, whose sum is σ = 57816894. Its totient is φ = 57816892.

The previous prime is 57816883. The next prime is 57816901. The reversal of 57816893 is 39861875.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35557369 + 22259524 = 5963^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 57816893 - 2¹⁰ = 57815869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57816833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28908446 + 28908447.

It is an arithmetic number, because the mean of its divisors is an integer number (28908447).

Almost surely, 2^57816893 is an apocalyptic number.

It is an amenable number.

57816893 is a deficient number, since it is larger than the sum of its proper divisors (1).

57816893 is an equidigital number, since it uses as much as digits as its factorization.

57816893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 57816893 is about 7603.7420392857. The cubic root of 57816893 is about 386.6798871652.

It can be divided in two parts, 578 and 16893, that added together give a palindrome (17471).

The spelling of 57816893 in words is "fifty-seven million, eight hundred sixteen thousand, eight hundred ninety-three".