57678571 has 4 divisors (see below), whose sum is σ = 57775144. Its totient is φ = 57582000.

The previous prime is 57678553. The next prime is 57678589. The reversal of 57678571 is 17587675.

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

It is an interprime number because it is at equal distance from previous prime (57678553) and next prime (57678589).

It is a cyclic number.

It is not a de Polignac number, because 57678571 - 2¹⁵ = 57645803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57678521) 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, 47385 + ... + 48586.

It is an arithmetic number, because the mean of its divisors is an integer number (14443786).

Almost surely, 2^57678571 is an apocalyptic number.

57678571 is a deficient number, since it is larger than the sum of its proper divisors (96573).

57678571 is an equidigital number, since it uses as much as digits as its factorization.

57678571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96572.

The product of its digits is 411600, while the sum is 46.

The square root of 57678571 is about 7594.6409395046. The cubic root of 57678571 is about 386.3712746750.

The spelling of 57678571 in words is "fifty-seven million, six hundred seventy-eight thousand, five hundred seventy-one".