56127787 has 2 divisors, whose sum is σ = 56127788. Its totient is φ = 56127786.

The previous prime is 56127781. The next prime is 56127791. The reversal of 56127787 is 78772165.

56127787 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-56127787 is a prime.

It is not a weakly prime, because it can be changed into another prime (56127781) 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, 28063893 + 28063894.

It is an arithmetic number, because the mean of its divisors is an integer number (28063894).

Almost surely, 2^56127787 is an apocalyptic number.

56127787 is a deficient number, since it is larger than the sum of its proper divisors (1).

56127787 is an equidigital number, since it uses as much as digits as its factorization.

56127787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 43.

The square root of 56127787 is about 7491.8480363659. The cubic root of 56127787 is about 382.8770246931.

The spelling of 56127787 in words is "fifty-six million, one hundred twenty-seven thousand, seven hundred eighty-seven".