56756699 has 2 divisors, whose sum is σ = 56756700. Its totient is φ = 56756698.

The previous prime is 56756677. The next prime is 56756701. The reversal of 56756699 is 99665765.

56756699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56756699 is a prime.

Together with 56756701, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56756699.

It is not a weakly prime, because it can be changed into another prime (56756639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28378349 + 28378350.

It is an arithmetic number, because the mean of its divisors is an integer number (28378350).

Almost surely, 2^56756699 is an apocalyptic number.

56756699 is a deficient number, since it is larger than the sum of its proper divisors (1).

56756699 is an equidigital number, since it uses as much as digits as its factorization.

56756699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 53.

The square root of 56756699 is about 7533.7042017855. The cubic root of 56756699 is about 384.3017624935.

The spelling of 56756699 in words is "fifty-six million, seven hundred fifty-six thousand, six hundred ninety-nine".