56016803 has 2 divisors, whose sum is σ = 56016804. Its totient is φ = 56016802.

The previous prime is 56016749. The next prime is 56016817. The reversal of 56016803 is 30861065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56016803 - 2⁶ = 56016739 is a prime.

It is not a weakly prime, because it can be changed into another prime (56016833) 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, 28008401 + 28008402.

It is an arithmetic number, because the mean of its divisors is an integer number (28008402).

Almost surely, 2^56016803 is an apocalyptic number.

56016803 is a deficient number, since it is larger than the sum of its proper divisors (1).

56016803 is an equidigital number, since it uses as much as digits as its factorization.

56016803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 56016803 is about 7484.4373870051. The cubic root of 56016803 is about 382.6244981834.

Adding to 56016803 its reverse (30861065), we get a palindrome (86877868).

The spelling of 56016803 in words is "fifty-six million, sixteen thousand, eight hundred three".