56031667 has 2 divisors, whose sum is σ = 56031668. Its totient is φ = 56031666.

The previous prime is 56031637. The next prime is 56031737. The reversal of 56031667 is 76613065.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56031667 - 2¹¹ = 56029619 is a prime.

It is not a weakly prime, because it can be changed into another prime (56031617) 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, 28015833 + 28015834.

It is an arithmetic number, because the mean of its divisors is an integer number (28015834).

Almost surely, 2^56031667 is an apocalyptic number.

56031667 is a deficient number, since it is larger than the sum of its proper divisors (1).

56031667 is an equidigital number, since it uses as much as digits as its factorization.

56031667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 56031667 is about 7485.4303149518. The cubic root of 56031667 is about 382.6583381937.

The spelling of 56031667 in words is "fifty-six million, thirty-one thousand, six hundred sixty-seven".