2056545343 has 4 divisors (see below), whose sum is σ = 2056651560. Its totient is φ = 2056439128.

The previous prime is 2056545341. The next prime is 2056545347. The reversal of 2056545343 is 3435456502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2056545343 - 2¹ = 2056545341 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 (2056545341) 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 3 ways as a sum of consecutive naturals, for example, 14905 + ... + 65842.

It is an arithmetic number, because the mean of its divisors is an integer number (514162890).

Almost surely, 2^2056545343 is an apocalyptic number.

2056545343 is a deficient number, since it is larger than the sum of its proper divisors (106217).

2056545343 is an equidigital number, since it uses as much as digits as its factorization.

2056545343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106216.

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 2056545343 is about 45349.1493084490. The cubic root of 2056545343 is about 1271.6846519190.

The spelling of 2056545343 in words is "two billion, fifty-six million, five hundred forty-five thousand, three hundred forty-three".