56856181802 has 16 divisors (see below), whose sum is σ = 97762212672. Its totient is φ = 24293316960.

The previous prime is 56856181801. The next prime is 56856181807. The reversal of 56856181802 is 20818165865.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56856181801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130043 + ... + 6139310.

It is an arithmetic number, because the mean of its divisors is an integer number (6110138292).

Almost surely, 2^56856181802 is an apocalyptic number.

56856181802 is a deficient number, since it is larger than the sum of its proper divisors (40906030870).

56856181802 is a wasteful number, since it uses less digits than its factorization.

56856181802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269693.

The product of its (nonzero) digits is 921600, while the sum is 50.

The spelling of 56856181802 in words is "fifty-six billion, eight hundred fifty-six million, one hundred eighty-one thousand, eight hundred two".