57305339 has 16 divisors (see below), whose sum is σ = 70822080. Its totient is φ = 45152640.

The previous prime is 57305327. The next prime is 57305371. The reversal of 57305339 is 93350375.

It is not a de Polignac number, because 57305339 - 2⁴ = 57305323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57305299 and 57305308.

It is not an unprimeable number, because it can be changed into a prime (57305309) 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, 23309 + ... + 25649.

It is an arithmetic number, because the mean of its divisors is an integer number (4426380).

Almost surely, 2^57305339 is an apocalyptic number.

57305339 is a deficient number, since it is larger than the sum of its proper divisors (13516741).

57305339 is a wasteful number, since it uses less digits than its factorization.

57305339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 57305339 is about 7570.0289959815. The cubic root of 57305339 is about 385.5360812245.

The spelling of 57305339 in words is "fifty-seven million, three hundred five thousand, three hundred thirty-nine".