51364212 has 12 divisors (see below), whose sum is σ = 119849856. Its totient is φ = 17121400.

The previous prime is 51364211. The next prime is 51364237. The reversal of 51364212 is 21246315.

51364212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364211) 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, 2140164 + ... + 2140187.

It is an arithmetic number, because the mean of its divisors is an integer number (9987488).

Almost surely, 2^51364212 is an apocalyptic number.

It is an amenable number.

51364212 is an abundant number, since it is smaller than the sum of its proper divisors (68485644).

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

51364212 is a wasteful number, since it uses less digits than its factorization.

51364212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280358 (or 4280356 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 51364212 is about 7166.8830044867. The cubic root of 51364212 is about 371.7236645902.

The spelling of 51364212 in words is "fifty-one million, three hundred sixty-four thousand, two hundred twelve".