56146679 has 2 divisors, whose sum is σ = 56146680. Its totient is φ = 56146678.

The previous prime is 56146667. The next prime is 56146681. The reversal of 56146679 is 97664165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56146679 is a prime.

It is a Sophie Germain prime.

Together with 56146681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56146619) 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, 28073339 + 28073340.

It is an arithmetic number, because the mean of its divisors is an integer number (28073340).

Almost surely, 2^56146679 is an apocalyptic number.

56146679 is a deficient number, since it is larger than the sum of its proper divisors (1).

56146679 is an equidigital number, since it uses as much as digits as its factorization.

56146679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 56146679 is about 7493.1087673942. The cubic root of 56146679 is about 382.9199772824.

The spelling of 56146679 in words is "fifty-six million, one hundred forty-six thousand, six hundred seventy-nine".