56045303 has 4 divisors (see below), whose sum is σ = 57853248. Its totient is φ = 54237360.

The previous prime is 56045281. The next prime is 56045309. The reversal of 56045303 is 30354065.

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 56045303 - 2¹⁸ = 55783159 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 (56045309) 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, 903926 + ... + 903987.

It is an arithmetic number, because the mean of its divisors is an integer number (14463312).

Almost surely, 2^56045303 is an apocalyptic number.

56045303 is a deficient number, since it is larger than the sum of its proper divisors (1807945).

56045303 is a wasteful number, since it uses less digits than its factorization.

56045303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807944.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 56045303 is about 7486.3410956221. The cubic root of 56045303 is about 382.6893772243.

Adding to 56045303 its reverse (30354065), we get a palindrome (86399368).

The spelling of 56045303 in words is "fifty-six million, forty-five thousand, three hundred three".