56028003 has 4 divisors (see below), whose sum is σ = 74704008. Its totient is φ = 37352000.

The previous prime is 56028001. The next prime is 56028041. The reversal of 56028003 is 30082065.

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 56028003 - 2¹ = 56028001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56028001) 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, 9337998 + ... + 9338003.

It is an arithmetic number, because the mean of its divisors is an integer number (18676002).

Almost surely, 2^56028003 is an apocalyptic number.

56028003 is a deficient number, since it is larger than the sum of its proper divisors (18676005).

56028003 is a wasteful number, since it uses less digits than its factorization.

56028003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18676004.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 56028003 is about 7485.1855688420. The cubic root of 56028003 is about 382.6499971324.

The spelling of 56028003 in words is "fifty-six million, twenty-eight thousand, three".