56243777783 has 4 divisors (see below), whose sum is σ = 56388363720. Its totient is φ = 56099191848.

The previous prime is 56243777773. The next prime is 56243777809. The reversal of 56243777783 is 38777734265.

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 56243777783 - 2⁴ = 56243777767 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 (56243777753) 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, 72292385 + ... + 72293162.

It is an arithmetic number, because the mean of its divisors is an integer number (14097090930).

Almost surely, 2^56243777783 is an apocalyptic number.

56243777783 is a deficient number, since it is larger than the sum of its proper divisors (144585937).

56243777783 is a wasteful number, since it uses less digits than its factorization.

56243777783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144585936.

The product of its digits is 41489280, while the sum is 59.

The spelling of 56243777783 in words is "fifty-six billion, two hundred forty-three million, seven hundred seventy-seven thousand, seven hundred eighty-three".