56000056 has 32 divisors (see below), whose sum is σ = 121200480. Its totient is φ = 23760000.

The previous prime is 56000053. The next prime is 56000059. The reversal of 56000056 is 65000065.

It is an interprime number because it is at equal distance from previous prime (56000053) and next prime (56000059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000053) 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, 706 + ... + 10606.

It is an arithmetic number, because the mean of its divisors is an integer number (3787515).

Almost surely, 2^56000056 is an apocalyptic number.

56000056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56000056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60600240).

56000056 is an abundant number, since it is smaller than the sum of its proper divisors (65200424).

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

56000056 is a wasteful number, since it uses less digits than its factorization.

56000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015 (or 10011 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56000056 is about 7483.3185152043. The cubic root of 56000056 is about 382.5863640832.

Adding to 56000056 its reverse (65000065), we get a palindrome (121000121).

Subtracting 56000056 from its reverse (65000065), we obtain a palindrome (9000009).

It can be divided in two parts, 560000 and 56, that multiplied together give a square (31360000 = 5600²).

The spelling of 56000056 in words is "fifty-six million, fifty-six", and thus it is an aban number, an eban number, and an uban number.