56045403 has 6 divisors (see below), whose sum is σ = 80954484. Its totient is φ = 37363596.

The previous prime is 56045393. The next prime is 56045419. The reversal of 56045403 is 30454065.

56045403 is a `hidden beast` number, since 5 + 604 + 54 + 0 + 3 = 666.

56045403 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 56045403 - 2⁴ = 56045387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56045443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3113625 + ... + 3113642.

It is an arithmetic number, because the mean of its divisors is an integer number (13492414).

Almost surely, 2^56045403 is an apocalyptic number.

56045403 is a deficient number, since it is larger than the sum of its proper divisors (24909081).

56045403 is a wasteful number, since it uses less digits than its factorization.

56045403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227273 (or 6227270 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 56045403 is about 7486.3477744492. The cubic root of 56045403 is about 382.6896048313.

Adding to 56045403 its reverse (30454065), we get a palindrome (86499468).

The spelling of 56045403 in words is "fifty-six million, forty-five thousand, four hundred three".