56003 has 2 divisors, whose sum is σ = 56004. Its totient is φ = 56002.

The previous prime is 55997. The next prime is 56009. The reversal of 56003 is 30065.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (55997) and next prime (56009).

It is a cyclic number.

It is not a de Polignac number, because 56003 - 2⁴ = 55987 is a prime.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (56009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28001 + 28002.

It is an arithmetic number, because the mean of its divisors is an integer number (28002).

2⁵⁶⁰⁰³ is an apocalyptic number.

56003 is a deficient number, since it is larger than the sum of its proper divisors (1).

56003 is an equidigital number, since it uses as much as digits as its factorization.

56003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 56003 is about 236.6495298960. The cubic root of 56003 is about 38.2593068330.

Adding to 56003 its reverse (30065), we get a palindrome (86068).

The spelling of 56003 in words is "fifty-six thousand, three".