51304300 has 72 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 19061760.

The previous prime is 51304291. The next prime is 51304333. The reversal of 51304300 is 340315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174954 + ... + 175246.

It is an arithmetic number, because the mean of its divisors is an integer number (1658748).

Almost surely, 2^51304300 is an apocalyptic number.

51304300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51304300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59714928).

51304300 is an abundant number, since it is smaller than the sum of its proper divisors (68125556).

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

51304300 is a wasteful number, since it uses less digits than its factorization.

51304300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 51304300 is about 7162.7020041322. The cubic root of 51304300 is about 371.5790803105.

Adding to 51304300 its reverse (340315), we get a palindrome (51644615).

The spelling of 51304300 in words is "fifty-one million, three hundred four thousand, three hundred".