51310002 has 8 divisors (see below), whose sum is σ = 102620016. Its totient is φ = 17103332.

The previous prime is 51309977. The next prime is 51310003. The reversal of 51310002 is 20001315.

It is a sphenic number, since it is the product of 3 distinct primes.

51310002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51310002.

It is not an unprimeable number, because it can be changed into a prime (51310003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4275828 + ... + 4275839.

It is an arithmetic number, because the mean of its divisors is an integer number (12827502).

Almost surely, 2^51310002 is an apocalyptic number.

51310002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51310002 is a wasteful number, since it uses less digits than its factorization.

51310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551672.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 51310002 is about 7163.1000272229. The cubic root of 51310002 is about 371.5928456637.

Adding to 51310002 its reverse (20001315), we get a palindrome (71311317).

The spelling of 51310002 in words is "fifty-one million, three hundred ten thousand, two".