53204112 has 120 divisors (see below), whose sum is σ = 162557304. Its totient is φ = 16146432.

The previous prime is 53204093. The next prime is 53204119. The reversal of 53204112 is 21140235.

It can be written as a sum of positive squares in 4 ways, for example, as 9960336 + 43243776 = 3156^2 + 6576^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53204119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181438 + ... + 181730.

Almost surely, 2^53204112 is an apocalyptic number.

53204112 is a gapful number since it is divisible by the number (52) 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 53204112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81278652).

53204112 is an abundant number, since it is smaller than the sum of its proper divisors (109353192).

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

53204112 is a wasteful number, since it uses less digits than its factorization.

53204112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 53204112 is about 7294.1148880450. The cubic root of 53204112 is about 376.1101608710.

Adding to 53204112 its reverse (21140235), we get a palindrome (74344347).

The spelling of 53204112 in words is "fifty-three million, two hundred four thousand, one hundred twelve".