56840421703 has 4 divisors (see below), whose sum is σ = 61212761848. Its totient is φ = 52468081560.

The previous prime is 56840421593. The next prime is 56840421749. The reversal of 56840421703 is 30712404865.

56840421703 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 is a cyclic number.

It is not a de Polignac number, because 56840421703 - 2⁹ = 56840421191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56840424703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186170053 + ... + 2186170078.

It is an arithmetic number, because the mean of its divisors is an integer number (15303190462).

Almost surely, 2^56840421703 is an apocalyptic number.

56840421703 is a deficient number, since it is larger than the sum of its proper divisors (4372340145).

56840421703 is a wasteful number, since it uses less digits than its factorization.

56840421703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372340144.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 56840421703 in words is "fifty-six billion, eight hundred forty million, four hundred twenty-one thousand, seven hundred three".