51300470 has 16 divisors (see below), whose sum is σ = 99444240. Its totient is φ = 18941664.

The previous prime is 51300439. The next prime is 51300479. The reversal of 51300470 is 7400315.

It is a happy number.

51300470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197180 + ... + 197439.

It is an arithmetic number, because the mean of its divisors is an integer number (6215265).

Almost surely, 2^51300470 is an apocalyptic number.

51300470 is a deficient number, since it is larger than the sum of its proper divisors (48143770).

51300470 is a wasteful number, since it uses less digits than its factorization.

51300470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394639.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 51300470 is about 7162.4346419357. The cubic root of 51300470 is about 371.5698336308.

Adding to 51300470 its reverse (7400315), we get a palindrome (58700785).

The spelling of 51300470 in words is "fifty-one million, three hundred thousand, four hundred seventy".