56065739 has 2 divisors, whose sum is σ = 56065740. Its totient is φ = 56065738.

The previous prime is 56065727. The next prime is 56065759. The reversal of 56065739 is 93756065.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56065739 is a prime.

It is a super-2 number, since 2×56065739² = 6286734179232242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56065696 and 56065705.

It is not a weakly prime, because it can be changed into another prime (56065759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28032869 + 28032870.

It is an arithmetic number, because the mean of its divisors is an integer number (28032870).

Almost surely, 2^56065739 is an apocalyptic number.

56065739 is a deficient number, since it is larger than the sum of its proper divisors (1).

56065739 is an equidigital number, since it uses as much as digits as its factorization.

56065739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 56065739 is about 7487.7058569364. The cubic root of 56065739 is about 382.7358853724.

The spelling of 56065739 in words is "fifty-six million, sixty-five thousand, seven hundred thirty-nine".