56006103 has 4 divisors (see below), whose sum is σ = 74674808. Its totient is φ = 37337400.

The previous prime is 56006099. The next prime is 56006141. The reversal of 56006103 is 30160065.

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

It is not a de Polignac number, because 56006103 - 2² = 56006099 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 56006103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56006183) 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, 9334348 + ... + 9334353.

It is an arithmetic number, because the mean of its divisors is an integer number (18668702).

Almost surely, 2^56006103 is an apocalyptic number.

56006103 is a deficient number, since it is larger than the sum of its proper divisors (18668705).

56006103 is a wasteful number, since it uses less digits than its factorization.

56006103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668704.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 56006103 is about 7483.7225362783. The cubic root of 56006103 is about 382.6001344056.

Adding to 56006103 its reverse (30160065), we get a palindrome (86166168).

The spelling of 56006103 in words is "fifty-six million, six thousand, one hundred three".