56783450737 has 8 divisors (see below), whose sum is σ = 61156851840. Its totient is φ = 52410827280.

The previous prime is 56783450729. The next prime is 56783450741. The reversal of 56783450737 is 73705438765.

It is a happy number.

56783450737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56783450737 - 2³ = 56783450729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56783450707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38089 + ... + 339142.

It is an arithmetic number, because the mean of its divisors is an integer number (7644606480).

Almost surely, 2^56783450737 is an apocalyptic number.

It is an amenable number.

56783450737 is a deficient number, since it is larger than the sum of its proper divisors (4373401103).

56783450737 is a wasteful number, since it uses less digits than its factorization.

56783450737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388823.

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 56783450737 in words is "fifty-six billion, seven hundred eighty-three million, four hundred fifty thousand, seven hundred thirty-seven".