56420000004243 has 16 divisors (see below), whose sum is σ = 75264202368000. Its totient is φ = 37594568072160.

The previous prime is 56420000004233. The next prime is 56420000004257. The reversal of 56420000004243 is 34240000002465.

It is not a de Polignac number, because 56420000004243 - 2⁸ = 56420000003987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56420000004243.

It is not an unprimeable number, because it can be changed into a prime (56420000004233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89078368 + ... + 89709506.

It is an arithmetic number, because the mean of its divisors is an integer number (4704012648000).

Almost surely, 2^{56420000004243} is an apocalyptic number.

56420000004243 is a deficient number, since it is larger than the sum of its proper divisors (18844202363757).

56420000004243 is a wasteful number, since it uses less digits than its factorization.

56420000004243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645962.

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 56420000004243 in words is "fifty-six trillion, four hundred twenty billion, four thousand, two hundred forty-three".