56863111 has 4 divisors (see below), whose sum is σ = 56936152. Its totient is φ = 56790072.

The previous prime is 56863097. The next prime is 56863151. The reversal of 56863111 is 11136865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56863111 - 2⁷ = 56862983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35340 + ... + 36913.

It is an arithmetic number, because the mean of its divisors is an integer number (14234038).

Almost surely, 2^56863111 is an apocalyptic number.

56863111 is a deficient number, since it is larger than the sum of its proper divisors (73041).

56863111 is an equidigital number, since it uses as much as digits as its factorization.

56863111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73040.

The product of its digits is 4320, while the sum is 31.

The square root of 56863111 is about 7540.7632902777. The cubic root of 56863111 is about 384.5417857808.

Adding to 56863111 its reverse (11136865), we get a palindrome (67999976).

The spelling of 56863111 in words is "fifty-six million, eight hundred sixty-three thousand, one hundred eleven".