10500056 has 32 divisors (see below), whose sum is σ = 22743840. Its totient is φ = 4451328.

The previous prime is 10500037. The next prime is 10500089. The reversal of 10500056 is 65000501.

It is a super-2 number, since 2×10500056² = 220502352006272, which contains 22 as substring.

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, 4466 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (710745).

Almost surely, 2^10500056 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 10500056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11371920).

10500056 is an abundant number, since it is smaller than the sum of its proper divisors (12243784).

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

10500056 is a wasteful number, since it uses less digits than its factorization.

10500056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 10500056 is about 3240.3789901800. The cubic root of 10500056 is about 218.9763462843.

Adding to 10500056 its reverse (65000501), we get a palindrome (75500557).

The spelling of 10500056 in words is "ten million, five hundred thousand, fifty-six".