51030102 has 16 divisors (see below), whose sum is σ = 102196080. Its totient is φ = 16987392.

The previous prime is 51030101. The next prime is 51030137. The reversal of 51030102 is 20103015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403 + ... + 10110.

It is an arithmetic number, because the mean of its divisors is an integer number (6387255).

Almost surely, 2^51030102 is an apocalyptic number.

51030102 is an abundant number, since it is smaller than the sum of its proper divisors (51165978).

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

51030102 is a wasteful number, since it uses less digits than its factorization.

51030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

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

The square root of 51030102 is about 7143.5356791998. The cubic root of 51030102 is about 370.9159241144.

Adding to 51030102 its reverse (20103015), we get a palindrome (71133117).

The spelling of 51030102 in words is "fifty-one million, thirty thousand, one hundred two".