56735993648 has 20 divisors (see below), whose sum is σ = 110144544048. Its totient is φ = 28311595200.

The previous prime is 56735993641. The next prime is 56735993653. The reversal of 56735993648 is 84639953765.

It is not an unprimeable number, because it can be changed into a prime (56735993641) 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 3 ways as a sum of consecutive naturals, for example, 3516803 + ... + 3532898.

Almost surely, 2^56735993648 is an apocalyptic number.

It is an amenable number.

56735993648 is a deficient number, since it is larger than the sum of its proper divisors (53408550400).

56735993648 is a wasteful number, since it uses less digits than its factorization.

56735993648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050212 (or 7050206 counting only the distinct ones).

The product of its digits is 146966400, while the sum is 65.

The spelling of 56735993648 in words is "fifty-six billion, seven hundred thirty-five million, nine hundred ninety-three thousand, six hundred forty-eight".