16053530 has 32 divisors (see below), whose sum is σ = 30151440. Its totient is φ = 6146560.

The previous prime is 16053497. The next prime is 16053539. The reversal of 16053530 is 3535061.

It can be written as a sum of positive squares in 8 ways, for example, as 13227769 + 2825761 = 3637^2 + 1681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16053496 and 16053505.

It is not an unprimeable number, because it can be changed into a prime (16053539) 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, 56990 + ... + 57270.

Almost surely, 2^16053530 is an apocalyptic number.

16053530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16053530 is a deficient number, since it is larger than the sum of its proper divisors (14097910).

16053530 is a wasteful number, since it uses less digits than its factorization.

16053530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 16053530 is about 4006.6856627392. The cubic root of 16053530 is about 252.2649120609.

Adding to 16053530 its reverse (3535061), we get a palindrome (19588591).

The spelling of 16053530 in words is "sixteen million, fifty-three thousand, five hundred thirty".