56849721935 has 8 divisors (see below), whose sum is σ = 68241091056. Its totient is φ = 45465494400.

The previous prime is 56849721899. The next prime is 56849721941. The reversal of 56849721935 is 53912794865.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56849721935 - 2¹⁰ = 56849720911 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1767866 + ... + 1799735.

It is an arithmetic number, because the mean of its divisors is an integer number (8530136382).

Almost surely, 2^56849721935 is an apocalyptic number.

56849721935 is a deficient number, since it is larger than the sum of its proper divisors (11391369121).

56849721935 is a wasteful number, since it uses less digits than its factorization.

56849721935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570793.

The product of its digits is 16329600, while the sum is 59.

The spelling of 56849721935 in words is "fifty-six billion, eight hundred forty-nine million, seven hundred twenty-one thousand, nine hundred thirty-five".