56091345982 has 16 divisors (see below), whose sum is σ = 97732932192. Its totient is φ = 23645063520.

The previous prime is 56091345977. The next prime is 56091346049. The reversal of 56091345982 is 28954319065.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32839513 + ... + 32841220.

It is an arithmetic number, because the mean of its divisors is an integer number (6108308262).

Almost surely, 2^56091345982 is an apocalyptic number.

56091345982 is a deficient number, since it is larger than the sum of its proper divisors (41641586210).

56091345982 is a wasteful number, since it uses less digits than its factorization.

56091345982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65680803.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 56091345982 in words is "fifty-six billion, ninety-one million, three hundred forty-five thousand, nine hundred eighty-two".