51305102 has 16 divisors (see below), whose sum is σ = 78883200. Its totient is φ = 25017720.

The previous prime is 51305077. The next prime is 51305123. The reversal of 51305102 is 20150315.

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, 13799 + ... + 17117.

It is an arithmetic number, because the mean of its divisors is an integer number (4930200).

Almost surely, 2^51305102 is an apocalyptic number.

51305102 is a deficient number, since it is larger than the sum of its proper divisors (27578098).

51305102 is a wasteful number, since it uses less digits than its factorization.

51305102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51305102 is about 7162.7579883729. The cubic root of 51305102 is about 371.5810165022.

Adding to 51305102 its reverse (20150315), we get a palindrome (71455417).

The spelling of 51305102 in words is "fifty-one million, three hundred five thousand, one hundred two".