51326012 has 12 divisors (see below), whose sum is σ = 90139896. Its totient is φ = 25571760.

The previous prime is 51325997. The next prime is 51326017. The reversal of 51326012 is 21062315.

51326012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326017) 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, 21539 + ... + 23802.

It is an arithmetic number, because the mean of its divisors is an integer number (7511658).

Almost surely, 2^51326012 is an apocalyptic number.

It is an amenable number.

51326012 is a deficient number, since it is larger than the sum of its proper divisors (38813884).

51326012 is a wasteful number, since it uses less digits than its factorization.

51326012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45628 (or 45626 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51326012 is about 7164.2174729694. The cubic root of 51326012 is about 371.6314903890.

Adding to 51326012 its reverse (21062315), we get a palindrome (72388327).

The spelling of 51326012 in words is "fifty-one million, three hundred twenty-six thousand, twelve".