56122065893 has 4 divisors (see below), whose sum is σ = 56150512908. Its totient is φ = 56093618880.

The previous prime is 56122065823. The next prime is 56122065899. The reversal of 56122065893 is 39856022165.

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 21264055684 + 34858010209 = 145822^2 + 186703^2 .

It is a cyclic number.

It is not a de Polignac number, because 56122065893 - 2²⁴ = 56105288677 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 (56122065899) 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, 14220548 + ... + 14224493.

It is an arithmetic number, because the mean of its divisors is an integer number (14037628227).

Almost surely, 2^56122065893 is an apocalyptic number.

It is an amenable number.

56122065893 is a deficient number, since it is larger than the sum of its proper divisors (28447015).

56122065893 is a wasteful number, since it uses less digits than its factorization.

56122065893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28447014.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 56122065893 in words is "fifty-six billion, one hundred twenty-two million, sixty-five thousand, eight hundred ninety-three".