56493578120841 has 9 divisors (see below), whose sum is σ = 81601867633741. Its totient is φ = 37662370381452.

The previous prime is 56493578120813. The next prime is 56493578120857. The reversal of 56493578120841 is 14802187539465.

It is a happy number.

The square root of 56493578120841 is 7516221.

It is a perfect power (a square), and thus also a powerful number.

56493578120841 is a `hidden beast` number, since 5 + 6 + 4 + 9 + 3 + 578 + 12 + 0 + 8 + 41 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 56493578120841 - 2¹⁹ = 56493577596553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56493578120641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21295960 + ... + 23801366.

It is a 1-persistent number, because it is pandigital, but 2⋅56493578120841 = 112987156241682 is not.

Almost surely, 2^{56493578120841} is an apocalyptic number.

56493578120841 is the 7516221-st square number.

56493578120841 is the 3758111-st centered octagonal number.

It is an amenable number.

56493578120841 is a deficient number, since it is larger than the sum of its proper divisors (25108289512900).

56493578120841 is an frugal number, since it uses more digits than its factorization.

56493578120841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010820 (or 2505410 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 56493578120841 in words is "fifty-six trillion, four hundred ninety-three billion, five hundred seventy-eight million, one hundred twenty thousand, eight hundred forty-one".