51073012 has 6 divisors (see below), whose sum is σ = 89377778. Its totient is φ = 25536504.

The previous prime is 51072997. The next prime is 51073013. The reversal of 51073012 is 21037015.

It can be written as a sum of positive squares in only one way, i.e., 46294416 + 4778596 = 6804^2 + 2186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51073013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6384123 + ... + 6384130.

Almost surely, 2^51073012 is an apocalyptic number.

It is an amenable number.

51073012 is a deficient number, since it is larger than the sum of its proper divisors (38304766).

51073012 is a wasteful number, since it uses less digits than its factorization.

51073012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768257 (or 12768255 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 51073012 is about 7146.5384627804. The cubic root of 51073012 is about 371.0198597826.

The spelling of 51073012 in words is "fifty-one million, seventy-three thousand, twelve".