56801694321 has 48 divisors (see below), whose sum is σ = 87171215040. Its totient is φ = 35541504000.

The previous prime is 56801694251. The next prime is 56801694349. The reversal of 56801694321 is 12349610865.

56801694321 is a `hidden beast` number, since 56 + 8 + 0 + 169 + 432 + 1 = 666.

It is not a de Polignac number, because 56801694321 - 2¹⁹ = 56801170033 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56801693321) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8280325 + ... + 8287181.

It is an arithmetic number, because the mean of its divisors is an integer number (1816066980).

Almost surely, 2^56801694321 is an apocalyptic number.

It is an amenable number.

56801694321 is a deficient number, since it is larger than the sum of its proper divisors (30369520719).

56801694321 is a wasteful number, since it uses less digits than its factorization.

56801694321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326 (or 7323 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 56801694321 in words is "fifty-six billion, eight hundred one million, six hundred ninety-four thousand, three hundred twenty-one".