57712345 has 4 divisors (see below), whose sum is σ = 69254820. Its totient is φ = 46169872.

The previous prime is 57712337. The next prime is 57712357. The reversal of 57712345 is 54321775.

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 6718464 + 50993881 = 2592^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 57712345 - 2³ = 57712337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57712345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771230 + ... + 5771239.

It is an arithmetic number, because the mean of its divisors is an integer number (17313705).

Almost surely, 2^57712345 is an apocalyptic number.

It is an amenable number.

57712345 is a deficient number, since it is larger than the sum of its proper divisors (11542475).

57712345 is a wasteful number, since it uses less digits than its factorization.

57712345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542474.

The product of its digits is 29400, while the sum is 34.

The square root of 57712345 is about 7596.8641556895. The cubic root of 57712345 is about 386.4466738918.

The spelling of 57712345 in words is "fifty-seven million, seven hundred twelve thousand, three hundred forty-five".