51302108 has 24 divisors (see below), whose sum is σ = 105475440. Its totient is φ = 21525120.

The previous prime is 51302087. The next prime is 51302123. The reversal of 51302108 is 80120315.

It is a self number, because there is not a number n which added to its sum of digits gives 51302108.

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, 44273 + ... + 45416.

It is an arithmetic number, because the mean of its divisors is an integer number (4394810).

Almost surely, 2^51302108 is an apocalyptic number.

It is an amenable number.

51302108 is an abundant number, since it is smaller than the sum of its proper divisors (54173332).

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

51302108 is a wasteful number, since it uses less digits than its factorization.

51302108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89717 (or 89715 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51302108 is about 7162.5489876161. The cubic root of 51302108 is about 371.5737882723.

The spelling of 51302108 in words is "fifty-one million, three hundred two thousand, one hundred eight".