56623871 has 2 divisors, whose sum is σ = 56623872. Its totient is φ = 56623870.

The previous prime is 56623841. The next prime is 56623909. The reversal of 56623871 is 17832665.

56623871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (56623909) can be obtained adding 56623871 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56623871 - 2¹⁴ = 56607487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56623841) 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, 28311935 + 28311936.

It is an arithmetic number, because the mean of its divisors is an integer number (28311936).

Almost surely, 2^56623871 is an apocalyptic number.

56623871 is a deficient number, since it is larger than the sum of its proper divisors (1).

56623871 is an equidigital number, since it uses as much as digits as its factorization.

56623871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 56623871 is about 7524.8834542470. The cubic root of 56623871 is about 384.0017338427.

The spelling of 56623871 in words is "fifty-six million, six hundred twenty-three thousand, eight hundred seventy-one".