56387709375 has 48 divisors (see below), whose sum is σ = 95261965344. Its totient is φ = 29661120000.

The previous prime is 56387709349. The next prime is 56387709379. The reversal of 56387709375 is 57390778365.

It is not a de Polignac number, because 56387709375 - 2¹⁶ = 56387643839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56387709379) 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 47 ways as a sum of consecutive naturals, for example, 643179 + ... + 725571.

It is an arithmetic number, because the mean of its divisors is an integer number (1984624278).

Almost surely, 2^56387709375 is an apocalyptic number.

56387709375 is a deficient number, since it is larger than the sum of its proper divisors (38874255969).

56387709375 is an frugal number, since it uses more digits than its factorization.

56387709375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82494 (or 82474 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 60.

The spelling of 56387709375 in words is "fifty-six billion, three hundred eighty-seven million, seven hundred nine thousand, three hundred seventy-five".