10556500 has 48 divisors (see below), whose sum is σ = 23639616. Its totient is φ = 4116000.

The previous prime is 10556489. The next prime is 10556503. The reversal of 10556500 is 565501.

It is a super-3 number, since 3×10556500³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21255 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (492492).

Almost surely, 2^10556500 is an apocalyptic number.

10556500 is a gapful number since it is divisible by the number (10) 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 10556500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11819808).

10556500 is an abundant number, since it is smaller than the sum of its proper divisors (13083116).

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

10556500 is a wasteful number, since it uses less digits than its factorization.

10556500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 10556500 is about 3249.0767919518. The cubic root of 10556500 is about 219.3680210062.

Subtracting from 10556500 its reverse (565501), we obtain a palindrome (9990999).

The spelling of 10556500 in words is "ten million, five hundred fifty-six thousand, five hundred".