57712811 has 4 divisors (see below), whose sum is σ = 62152272. Its totient is φ = 53273352.

The previous prime is 57712801. The next prime is 57712849. The reversal of 57712811 is 11821775.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57712811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57712801) 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, 2219711 + ... + 2219736.

It is an arithmetic number, because the mean of its divisors is an integer number (15538068).

Almost surely, 2^57712811 is an apocalyptic number.

57712811 is a deficient number, since it is larger than the sum of its proper divisors (4439461).

57712811 is a wasteful number, since it uses less digits than its factorization.

57712811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439460.

The product of its digits is 3920, while the sum is 32.

The square root of 57712811 is about 7596.8948261773. The cubic root of 57712811 is about 386.4477140139.

The spelling of 57712811 in words is "fifty-seven million, seven hundred twelve thousand, eight hundred eleven".