53312112 has 60 divisors (see below), whose sum is σ = 170517360. Its totient is φ = 15231744.

The previous prime is 53312093. The next prime is 53312113. The reversal of 53312112 is 21121335.

53312112 is a `hidden beast` number, since 533 + 121 + 12 = 666.

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 (53312113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25437 + ... + 27452.

It is an arithmetic number, because the mean of its divisors is an integer number (2841956).

Almost surely, 2^53312112 is an apocalyptic number.

It is an amenable number.

53312112 is an abundant number, since it is smaller than the sum of its proper divisors (117205248).

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

53312112 is a wasteful number, since it uses less digits than its factorization.

53312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910 (or 52901 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 53312112 is about 7301.5143634728. The cubic root of 53312112 is about 376.3644798311.

Adding to 53312112 its reverse (21121335), we get a palindrome (74433447).

The spelling of 53312112 in words is "fifty-three million, three hundred twelve thousand, one hundred twelve".