51502512 has 20 divisors (see below), whose sum is σ = 133048280. Its totient is φ = 17167488.

The previous prime is 51502453. The next prime is 51502513. The reversal of 51502512 is 21520515.

51502512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51502513) 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 3 ways as a sum of consecutive naturals, for example, 536437 + ... + 536532.

It is an arithmetic number, because the mean of its divisors is an integer number (6652414).

Almost surely, 2^51502512 is an apocalyptic number.

It is an amenable number.

51502512 is an abundant number, since it is smaller than the sum of its proper divisors (81545768).

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

51502512 is a wasteful number, since it uses less digits than its factorization.

51502512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072980 (or 1072974 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 51502512 is about 7176.5250644027. The cubic root of 51502512 is about 372.0569920775.

The spelling of 51502512 in words is "fifty-one million, five hundred two thousand, five hundred twelve".