51335012 has 12 divisors (see below), whose sum is σ = 89890416. Its totient is φ = 25652040.

The previous prime is 51335003. The next prime is 51335023. The reversal of 51335012 is 21053315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6983 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (7490868).

Almost surely, 2^51335012 is an apocalyptic number.

It is an amenable number.

51335012 is a deficient number, since it is larger than the sum of its proper divisors (38555404).

51335012 is a wasteful number, since it uses less digits than its factorization.

51335012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738 (or 7736 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51335012 is about 7164.8455670726. The cubic root of 51335012 is about 371.6532109410.

Adding to 51335012 its reverse (21053315), we get a palindrome (72388327).

The spelling of 51335012 in words is "fifty-one million, three hundred thirty-five thousand, twelve".