57677309 has 4 divisors (see below), whose sum is σ = 57694080. Its totient is φ = 57660540.

The previous prime is 57677297. The next prime is 57677327. The reversal of 57677309 is 90377675.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57677309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57677309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57677909) 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, 1139 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (14423520).

Almost surely, 2^57677309 is an apocalyptic number.

It is an amenable number.

57677309 is a deficient number, since it is larger than the sum of its proper divisors (16771).

57677309 is a wasteful number, since it uses less digits than its factorization.

57677309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16770.

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 57677309 is about 7594.5578541479. The cubic root of 57677309 is about 386.3684567359.

The spelling of 57677309 in words is "fifty-seven million, six hundred seventy-seven thousand, three hundred nine".