57768243 has 16 divisors (see below), whose sum is σ = 83086080. Its totient is φ = 35491104.

The previous prime is 57768241. The next prime is 57768247. The reversal of 57768243 is 34286775.

It is not a de Polignac number, because 57768243 - 2¹ = 57768241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57768195 and 57768204.

It is not an unprimeable number, because it can be changed into a prime (57768241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43138 + ... + 44456.

It is an arithmetic number, because the mean of its divisors is an integer number (5192880).

Almost surely, 2^57768243 is an apocalyptic number.

57768243 is a deficient number, since it is larger than the sum of its proper divisors (25317837).

57768243 is a wasteful number, since it uses less digits than its factorization.

57768243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its digits is 282240, while the sum is 42.

The square root of 57768243 is about 7600.5422832848. The cubic root of 57768243 is about 386.5713995218.

Subtracting from 57768243 its product of digits (282240), we obtain a triangular number (57486003 = T₁₀₇₂₂).

The spelling of 57768243 in words is "fifty-seven million, seven hundred sixty-eight thousand, two hundred forty-three".