51061012 has 24 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 24289056.

The previous prime is 51061009. The next prime is 51061027. The reversal of 51061012 is 21016015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16914 + ... + 19702.

It is an arithmetic number, because the mean of its divisors is an integer number (3906000).

Almost surely, 2^51061012 is an apocalyptic number.

It is an amenable number.

51061012 is a deficient number, since it is larger than the sum of its proper divisors (42682988).

51061012 is a wasteful number, since it uses less digits than its factorization.

51061012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 51061012 is about 7145.6988461591. The cubic root of 51061012 is about 370.9907995093.

Adding to 51061012 its reverse (21016015), we get a palindrome (72077027).

The spelling of 51061012 in words is "fifty-one million, sixty-one thousand, twelve".