16053500 has 48 divisors (see below), whose sum is σ = 35529312. Its totient is φ = 6336000.

The previous prime is 16053497. The next prime is 16053539. The reversal of 16053500 is 535061.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48335 + ... + 48665.

It is an arithmetic number, because the mean of its divisors is an integer number (740194).

Almost surely, 2^16053500 is an apocalyptic number.

16053500 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 16053500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17764656).

16053500 is an abundant number, since it is smaller than the sum of its proper divisors (19475812).

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

16053500 is a wasteful number, since it uses less digits than its factorization.

16053500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 16053500 is about 4006.6819189948. The cubic root of 16053500 is about 252.2647549209.

Adding to 16053500 its reverse (535061), we get a palindrome (16588561).

The spelling of 16053500 in words is "sixteen million, fifty-three thousand, five hundred".