56050643921 has 4 divisors (see below), whose sum is σ = 57354147312. Its totient is φ = 54747140532.

The previous prime is 56050643911. The next prime is 56050643923. The reversal of 56050643921 is 12934605065.

56050643921 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12934605065 = 5 ⋅2586921013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56050643921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56050643923) 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, 651751631 + ... + 651751716.

It is an arithmetic number, because the mean of its divisors is an integer number (14338536828).

Almost surely, 2^56050643921 is an apocalyptic number.

It is an amenable number.

56050643921 is a deficient number, since it is larger than the sum of its proper divisors (1303503391).

56050643921 is a wasteful number, since it uses less digits than its factorization.

56050643921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303503390.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 56050643921 in words is "fifty-six billion, fifty million, six hundred forty-three thousand, nine hundred twenty-one".