57306338 has 4 divisors (see below), whose sum is σ = 85959510. Its totient is φ = 28653168.

The previous prime is 57306331. The next prime is 57306341. The reversal of 57306338 is 83360375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53684929 + 3621409 = 7327^2 + 1903^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57306298 and 57306307.

It is not an unprimeable number, because it can be changed into a prime (57306331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14326583 + ... + 14326586.

Almost surely, 2^57306338 is an apocalyptic number.

57306338 is a deficient number, since it is larger than the sum of its proper divisors (28653172).

57306338 is a wasteful number, since it uses less digits than its factorization.

57306338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28653171.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 57306338 is about 7570.0949795891. The cubic root of 57306338 is about 385.5383215527.

The spelling of 57306338 in words is "fifty-seven million, three hundred six thousand, three hundred thirty-eight".