56495839 has 2 divisors, whose sum is σ = 56495840. Its totient is φ = 56495838.

The previous prime is 56495837. The next prime is 56495849. The reversal of 56495839 is 93859465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56495839 - 2¹ = 56495837 is a prime.

Together with 56495837, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56495792 and 56495801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56495837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28247919 + 28247920.

It is an arithmetic number, because the mean of its divisors is an integer number (28247920).

Almost surely, 2^56495839 is an apocalyptic number.

56495839 is a deficient number, since it is larger than the sum of its proper divisors (1).

56495839 is an equidigital number, since it uses as much as digits as its factorization.

56495839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 49.

The square root of 56495839 is about 7516.3713984874. The cubic root of 56495839 is about 383.7120938554.

The spelling of 56495839 in words is "fifty-six million, four hundred ninety-five thousand, eight hundred thirty-nine".