10545500 has 96 divisors (see below), whose sum is σ = 27675648. Its totient is φ = 3432000.

The previous prime is 10545467. The next prime is 10545503. The reversal of 10545500 is 554501.

It is a super-2 number, since 2×10545500² = 222415140500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10545503) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 80435 + ... + 80565.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^10545500 is an apocalyptic number.

10545500 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 10545500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13837824).

10545500 is an abundant number, since it is smaller than the sum of its proper divisors (17130148).

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

10545500 is a wasteful number, since it uses less digits than its factorization.

10545500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10545500 is about 3247.3835621928. The cubic root of 10545500 is about 219.2917998199.

Subtracting from 10545500 its reverse (554501), we obtain a palindrome (9990999).

The spelling of 10545500 in words is "ten million, five hundred forty-five thousand, five hundred".