51300396 has 144 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 13673088.

The previous prime is 51300377. The next prime is 51300397. The reversal of 51300396 is 69300315.

It is not an unprimeable number, because it can be changed into a prime (51300397) 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 47 ways as a sum of consecutive naturals, for example, 307105 + ... + 307271.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^51300396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51300396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79252992).

51300396 is an abundant number, since it is smaller than the sum of its proper divisors (107205588).

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

51300396 is a wasteful number, since it uses less digits than its factorization.

51300396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 51300396 is about 7162.4294760926. The cubic root of 51300396 is about 371.5696549698.

The spelling of 51300396 in words is "fifty-one million, three hundred thousand, three hundred ninety-six".