56050640256 has 128 divisors (see below), whose sum is σ = 160459619040. Its totient is φ = 17233182720.

The previous prime is 56050640251. The next prime is 56050640293. The reversal of 56050640256 is 65204605065.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56050640251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8048616 + ... + 8055576.

Almost surely, 2^56050640256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56050640256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80229809520).

56050640256 is an abundant number, since it is smaller than the sum of its proper divisors (104408978784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56050640256 is a wasteful number, since it uses less digits than its factorization.

56050640256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604 (or 8592 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 56050640256 in words is "fifty-six billion, fifty million, six hundred forty thousand, two hundred fifty-six".