53209112 has 16 divisors (see below), whose sum is σ = 108837000. Its totient is φ = 24185920.

The previous prime is 53209111. The next prime is 53209127. The reversal of 53209112 is 21190235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53209111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302237 + ... + 302412.

Almost surely, 2^53209112 is an apocalyptic number.

It is an amenable number.

53209112 is an abundant number, since it is smaller than the sum of its proper divisors (55627888).

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

53209112 is a wasteful number, since it uses less digits than its factorization.

53209112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604666 (or 604662 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 53209112 is about 7294.4576220580. The cubic root of 53209112 is about 376.1219424911.

Adding to 53209112 its reverse (21190235), we get a palindrome (74399347).

The spelling of 53209112 in words is "fifty-three million, two hundred nine thousand, one hundred twelve".