56881103 has 4 divisors (see below), whose sum is σ = 56904960. Its totient is φ = 56857248.

The previous prime is 56881087. The next prime is 56881109. The reversal of 56881103 is 30118865.

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 56881103 - 2⁴ = 56881087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56881103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56881109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (14226240).

Almost surely, 2^56881103 is an apocalyptic number.

56881103 is a deficient number, since it is larger than the sum of its proper divisors (23857).

56881103 is a wasteful number, since it uses less digits than its factorization.

56881103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23856.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 56881103 is about 7541.9561786051. The cubic root of 56881103 is about 384.5823389978.

Adding to 56881103 its reverse (30118865), we get a palindrome (86999968).

The spelling of 56881103 in words is "fifty-six million, eight hundred eighty-one thousand, one hundred three".