56539339 has 2 divisors, whose sum is σ = 56539340. Its totient is φ = 56539338.

The previous prime is 56539333. The next prime is 56539387. The reversal of 56539339 is 93393565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56539339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56539295 and 56539304.

It is not a weakly prime, because it can be changed into another prime (56539333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28269669 + 28269670.

It is an arithmetic number, because the mean of its divisors is an integer number (28269670).

Almost surely, 2^56539339 is an apocalyptic number.

56539339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56539339 is an equidigital number, since it uses as much as digits as its factorization.

56539339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 328050, while the sum is 43.

The square root of 56539339 is about 7519.2645252046. The cubic root of 56539339 is about 383.8105506282.

The spelling of 56539339 in words is "fifty-six million, five hundred thirty-nine thousand, three hundred thirty-nine".