57768289 has 4 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 57752260.

The previous prime is 57768259. The next prime is 57768299. The reversal of 57768289 is 98286775.

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 not a de Polignac number, because 57768289 - 2⁹ = 57767777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57768229) 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, 192 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (14446080).

Almost surely, 2^57768289 is an apocalyptic number.

It is an amenable number.

57768289 is a deficient number, since it is larger than the sum of its proper divisors (16031).

57768289 is a wasteful number, since it uses less digits than its factorization.

57768289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030.

The product of its digits is 1693440, while the sum is 52.

The square root of 57768289 is about 7600.5453093841. The cubic root of 57768289 is about 386.5715021288.

The spelling of 57768289 in words is "fifty-seven million, seven hundred sixty-eight thousand, two hundred eighty-nine".