56656927 has 2 divisors, whose sum is σ = 56656928. Its totient is φ = 56656926.

The previous prime is 56656909. The next prime is 56656973. The reversal of 56656927 is 72965665.

It is an a-pointer prime, because the next prime (56656973) can be obtained adding 56656927 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56656927 - 2¹⁵ = 56624159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56656987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328463 + 28328464.

It is an arithmetic number, because the mean of its divisors is an integer number (28328464).

Almost surely, 2^56656927 is an apocalyptic number.

56656927 is a deficient number, since it is larger than the sum of its proper divisors (1).

56656927 is an equidigital number, since it uses as much as digits as its factorization.

56656927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 56656927 is about 7527.0795797573. The cubic root of 56656927 is about 384.0764437475.

The spelling of 56656927 in words is "fifty-six million, six hundred fifty-six thousand, nine hundred twenty-seven".