56446965393 has 128 divisors (see below), whose sum is σ = 100317450240. Its totient is φ = 27389214720.

The previous prime is 56446965391. The next prime is 56446965409. The reversal of 56446965393 is 39356964465.

It is not a de Polignac number, because 56446965393 - 2¹ = 56446965391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56446965391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57775321 + ... + 57776297.

It is an arithmetic number, because the mean of its divisors is an integer number (783730080).

Almost surely, 2^56446965393 is an apocalyptic number.

It is an amenable number.

56446965393 is a deficient number, since it is larger than the sum of its proper divisors (43870484847).

56446965393 is a wasteful number, since it uses less digits than its factorization.

56446965393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287.

The product of its digits is 62985600, while the sum is 60.

The spelling of 56446965393 in words is "fifty-six billion, four hundred forty-six million, nine hundred sixty-five thousand, three hundred ninety-three".