51312710 has 16 divisors (see below), whose sum is σ = 94859856. Its totient is φ = 19970208.

The previous prime is 51312707. The next prime is 51312721. The reversal of 51312710 is 1721315.

51312710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 68972 + ... + 69711.

It is an arithmetic number, because the mean of its divisors is an integer number (5928741).

Almost surely, 2^51312710 is an apocalyptic number.

51312710 is a deficient number, since it is larger than the sum of its proper divisors (43547146).

51312710 is a wasteful number, since it uses less digits than its factorization.

51312710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138727.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 51312710 is about 7163.2890490333. The cubic root of 51312710 is about 371.5993827629.

The spelling of 51312710 in words is "fifty-one million, three hundred twelve thousand, seven hundred ten".