57640333 has 2 divisors, whose sum is σ = 57640334. Its totient is φ = 57640332.

The previous prime is 57640321. The next prime is 57640337. The reversal of 57640333 is 33304675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 10484644 = 6867^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 57640333 - 2¹⁷ = 57509261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57640295 and 57640304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57640337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28820166 + 28820167.

It is an arithmetic number, because the mean of its divisors is an integer number (28820167).

Almost surely, 2^57640333 is an apocalyptic number.

It is an amenable number.

57640333 is a deficient number, since it is larger than the sum of its proper divisors (1).

57640333 is an equidigital number, since it uses as much as digits as its factorization.

57640333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 57640333 is about 7592.1230890970. The cubic root of 57640333 is about 386.2858742073.

The spelling of 57640333 in words is "fifty-seven million, six hundred forty thousand, three hundred thirty-three".