10000056 has 32 divisors (see below), whose sum is σ = 27273600. Its totient is φ = 3030240.

The previous prime is 10000019. The next prime is 10000079. The reversal of 10000056 is 65000001.

It is a super-2 number, since 2×10000056² = 200002240006272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 9999996 and 10000050.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18676 + ... + 19203.

It is an arithmetic number, because the mean of its divisors is an integer number (852300).

Almost surely, 2^10000056 is an apocalyptic number.

It is an amenable number.

10000056 is an abundant number, since it is smaller than the sum of its proper divisors (17273544).

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

10000056 is a wasteful number, since it uses less digits than its factorization.

10000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37899 (or 37895 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 10000056 is about 3162.2865145334. The cubic root of 10000056 is about 215.4438711636.

10000056 divided by its sum of digits (12) gives a palindrome (833338).

Adding to 10000056 its reverse (65000001), we get a palindrome (75000057).

Subtracting 10000056 from its reverse (65000001), we obtain a palindrome (54999945).

The spelling of 10000056 in words is "ten million, fifty-six", and thus it is an aban number and an uban number.