53012512 has 36 divisors (see below), whose sum is σ = 121411710. Its totient is φ = 22718976.

The previous prime is 53012501. The next prime is 53012513. The reversal of 53012512 is 21521035.

It can be written as a sum of positive squares in only one way, i.e., 44036496 + 8976016 = 6636^2 + 2996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53012512.

It is not an unprimeable number, because it can be changed into a prime (53012513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15337 + ... + 18472.

Almost surely, 2^53012512 is an apocalyptic number.

It is an amenable number.

53012512 is an abundant number, since it is smaller than the sum of its proper divisors (68399198).

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

53012512 is a wasteful number, since it uses less digits than its factorization.

53012512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33833 (or 33818 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 53012512 is about 7280.9691662580. The cubic root of 53012512 is about 375.6581319941.

Adding to 53012512 its reverse (21521035), we get a palindrome (74533547).

The spelling of 53012512 in words is "fifty-three million, twelve thousand, five hundred twelve".