53112012 has 48 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 16552192.

The previous prime is 53111987. The next prime is 53112013. The reversal of 53112012 is 21021135.

53112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53111982 and 53112000.

It is not an unprimeable number, because it can be changed into a prime (53112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33289 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^53112012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

53112012 is an abundant number, since it is smaller than the sum of its proper divisors (78976308).

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

53112012 is a wasteful number, since it uses less digits than its factorization.

53112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 53112012 is about 7287.7988446444. The cubic root of 53112012 is about 375.8930112831.

Adding to 53112012 its reverse (21021135), we get a palindrome (74133147).

The spelling of 53112012 in words is "fifty-three million, one hundred twelve thousand, twelve".