56403534047 has 16 divisors (see below), whose sum is σ = 65049417792. Its totient is φ = 47904944640.

The previous prime is 56403534037. The next prime is 56403534053. The reversal of 56403534047 is 74043530465.

It is not a de Polignac number, because 56403534047 - 2¹⁰ = 56403533023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56403533995 and 56403534013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56403534037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3850397 + ... + 3865017.

It is an arithmetic number, because the mean of its divisors is an integer number (4065588612).

Almost surely, 2^56403534047 is an apocalyptic number.

56403534047 is a deficient number, since it is larger than the sum of its proper divisors (8645883745).

56403534047 is a wasteful number, since it uses less digits than its factorization.

56403534047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19618.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 56403534047 in words is "fifty-six billion, four hundred three million, five hundred thirty-four thousand, forty-seven".