10780056 has 96 divisors (see below), whose sum is σ = 33939360. Its totient is φ = 3027456.

The previous prime is 10780051. The next prime is 10780069. The reversal of 10780056 is 65008701.

10780056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10780051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36646 + ... + 36938.

It is an arithmetic number, because the mean of its divisors is an integer number (353535).

Almost surely, 2^10780056 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 10780056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16969680).

10780056 is an abundant number, since it is smaller than the sum of its proper divisors (23159304).

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

10780056 is a wasteful number, since it uses less digits than its factorization.

10780056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 10780056 is about 3283.2995598940. The cubic root of 10780056 is about 220.9057425144.

Adding to 10780056 its reverse (65008701), we get a palindrome (75788757).

The spelling of 10780056 in words is "ten million, seven hundred eighty thousand, fifty-six".