56703609385 has 4 divisors (see below), whose sum is σ = 68044331268. Its totient is φ = 45362887504.

The previous prime is 56703609379. The next prime is 56703609401. The reversal of 56703609385 is 58390630765.

56703609385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37609620624 + 19093988761 = 193932^2 + 138181^2 .

It is a cyclic number.

It is not a de Polignac number, because 56703609385 - 2¹³ = 56703601193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5670360934 + ... + 5670360943.

It is an arithmetic number, because the mean of its divisors is an integer number (17011082817).

Almost surely, 2^56703609385 is an apocalyptic number.

It is an amenable number.

56703609385 is a deficient number, since it is larger than the sum of its proper divisors (11340721883).

56703609385 is a wasteful number, since it uses less digits than its factorization.

56703609385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340721882.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 56703609385 in words is "fifty-six billion, seven hundred three million, six hundred nine thousand, three hundred eighty-five".