56403056412 has 18 divisors (see below), whose sum is σ = 142574392688. Its totient is φ = 18801018792.

The previous prime is 56403056393. The next prime is 56403056417. The reversal of 56403056412 is 21465030465.

56403056412 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 3 + 0 + 5 + 641 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1566751567 = 56403056412 / (5 + 6 + 4 + 0 + 3 + 0 + 5 + 6 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56403056417) 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, 783375748 + ... + 783375819.

Almost surely, 2^56403056412 is an apocalyptic number.

It is an amenable number.

56403056412 is an abundant number, since it is smaller than the sum of its proper divisors (86171336276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56403056412 is a wasteful number, since it uses less digits than its factorization.

56403056412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566751577 (or 1566751572 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 56403056412 its reverse (21465030465), we get a palindrome (77868086877).

The spelling of 56403056412 in words is "fifty-six billion, four hundred three million, fifty-six thousand, four hundred twelve".