57039329 has 2 divisors, whose sum is σ = 57039330. Its totient is φ = 57039328.

The previous prime is 57039319. The next prime is 57039361. The reversal of 57039329 is 92393075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 10144225 = 6848^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 57039329 - 2⁴ = 57039313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57039292 and 57039301.

It is not a weakly prime, because it can be changed into another prime (57039319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28519664 + 28519665.

It is an arithmetic number, because the mean of its divisors is an integer number (28519665).

Almost surely, 2^57039329 is an apocalyptic number.

It is an amenable number.

57039329 is a deficient number, since it is larger than the sum of its proper divisors (1).

57039329 is an equidigital number, since it uses as much as digits as its factorization.

57039329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 57039329 is about 7552.4386127926. The cubic root of 57039329 is about 384.9386060534.

The spelling of 57039329 in words is "fifty-seven million, thirty-nine thousand, three hundred twenty-nine".