56188751 has 2 divisors, whose sum is σ = 56188752. Its totient is φ = 56188750.

The previous prime is 56188739. The next prime is 56188777. The reversal of 56188751 is 15788165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56188751 - 2⁶ = 56188687 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56188699 and 56188708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56188711) 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, 28094375 + 28094376.

It is an arithmetic number, because the mean of its divisors is an integer number (28094376).

Almost surely, 2^56188751 is an apocalyptic number.

56188751 is a deficient number, since it is larger than the sum of its proper divisors (1).

56188751 is an equidigital number, since it uses as much as digits as its factorization.

56188751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 41.

The square root of 56188751 is about 7495.9156211900. The cubic root of 56188751 is about 383.0155969897.

The spelling of 56188751 in words is "fifty-six million, one hundred eighty-eight thousand, seven hundred fifty-one".