57986893 has 4 divisors (see below), whose sum is σ = 58781308. Its totient is φ = 57192480.

The previous prime is 57986867. The next prime is 57986939. The reversal of 57986893 is 39868975.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36808489 + 21178404 = 6067^2 + 4602^2 .

It is a cyclic number.

It is not a de Polignac number, because 57986893 - 2²¹ = 55889741 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 (57986843) 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, 397098 + ... + 397243.

It is an arithmetic number, because the mean of its divisors is an integer number (14695327).

Almost surely, 2^57986893 is an apocalyptic number.

It is an amenable number.

57986893 is a deficient number, since it is larger than the sum of its proper divisors (794415).

57986893 is an equidigital number, since it uses as much as digits as its factorization.

57986893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794414.

The product of its digits is 3265920, while the sum is 55.

The square root of 57986893 is about 7614.9125405352. The cubic root of 57986893 is about 387.0585034867.

The spelling of 57986893 in words is "fifty-seven million, nine hundred eighty-six thousand, eight hundred ninety-three".