10000000056 has 32 divisors (see below), whose sum is σ = 25062368400. Its totient is φ = 3325017600.

The previous prime is 10000000033. The next prime is 10000000061. The reversal of 10000000056 is 65000000001.

It is a super-2 number, since 2×10000000056² (a number of 21 digits) 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 = 9999999969 and 10000000050.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509911 + ... + 529158.

Almost surely, 2^10000000056 is an apocalyptic number.

It is an amenable number.

10000000056 is an abundant number, since it is smaller than the sum of its proper divisors (15062368344).

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

10000000056 is a wasteful number, since it uses less digits than its factorization.

10000000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039479 (or 1039475 counting only the distinct ones).

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

10000000056 divided by its sum of digits (12) gives a palindrome (833333338).

Adding to 10000000056 its reverse (65000000001), we get a palindrome (75000000057).

Subtracting 10000000056 from its reverse (65000000001), we obtain a palindrome (54999999945).

The spelling of 10000000056 in words is "ten billion, fifty-six", and thus it is an aban number and an uban number.