56821736006 has 32 divisors (see below), whose sum is σ = 100649226240. Its totient is φ = 23543575200.

The previous prime is 56821735991. The next prime is 56821736057. The reversal of 56821736006 is 60063712865.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 383960 + ... + 510948.

It is an arithmetic number, because the mean of its divisors is an integer number (3145288320).

Almost surely, 2^56821736006 is an apocalyptic number.

56821736006 is a deficient number, since it is larger than the sum of its proper divisors (43827490234).

56821736006 is a wasteful number, since it uses less digits than its factorization.

56821736006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128060.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 56821736006 in words is "fifty-six billion, eight hundred twenty-one million, seven hundred thirty-six thousand, six".