56393521371 has 24 divisors (see below), whose sum is σ = 94089728304. Its totient is φ = 32167426560.

The previous prime is 56393521369. The next prime is 56393521417. The reversal of 56393521371 is 17312539365.

56393521371 is a `hidden beast` number, since 5 + 6 + 3 + 93 + 521 + 37 + 1 = 666.

It is not a de Polignac number, because 56393521371 - 2¹ = 56393521369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56393525371) 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 23 ways as a sum of consecutive naturals, for example, 16752186 + ... + 16755551.

It is an arithmetic number, because the mean of its divisors is an integer number (3920405346).

Almost surely, 2^56393521371 is an apocalyptic number.

56393521371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56393521371 is a deficient number, since it is larger than the sum of its proper divisors (37696206933).

56393521371 is a wasteful number, since it uses less digits than its factorization.

56393521371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33507771 (or 33507768 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The spelling of 56393521371 in words is "fifty-six billion, three hundred ninety-three million, five hundred twenty-one thousand, three hundred seventy-one".