56493578120842 has 8 divisors (see below), whose sum is σ = 84740403519396. Its totient is φ = 28246776947712.

The previous prime is 56493578120813. The next prime is 56493578120857. The reversal of 56493578120842 is 24802187539465.

It is a Cunningham number, because it is equal to 7516221²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 56493578120841 + 1 = 7516221^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824778 + ... + 10785034.

It is a 1-persistent number, because it is pandigital, but 2⋅56493578120842 = 112987156241684 is not.

Almost surely, 2^{56493578120842} is an apocalyptic number.

56493578120842 is a deficient number, since it is larger than the sum of its proper divisors (28246825398554).

56493578120842 is a wasteful number, since it uses less digits than its factorization.

56493578120842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12112712.

The product of its (nonzero) digits is 116121600, while the sum is 64.

The spelling of 56493578120842 in words is "fifty-six trillion, four hundred ninety-three billion, five hundred seventy-eight million, one hundred twenty thousand, eight hundred forty-two".