51300042 has 8 divisors (see below), whose sum is σ = 102600096. Its totient is φ = 17100012.

The previous prime is 51300031. The next prime is 51300047. The reversal of 51300042 is 24000315.

51300042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

51300042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51299994 and 51300030.

It is not an unprimeable number, because it can be changed into a prime (51300047) 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 3 ways as a sum of consecutive naturals, for example, 4274998 + ... + 4275009.

It is an arithmetic number, because the mean of its divisors is an integer number (12825012).

Almost surely, 2^51300042 is an apocalyptic number.

51300042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51300042 is a wasteful number, since it uses less digits than its factorization.

51300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550012.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 51300042 is about 7162.4047637648. The cubic root of 51300042 is about 371.5688002918.

Adding to 51300042 its reverse (24000315), we get a palindrome (75300357).

The spelling of 51300042 in words is "fifty-one million, three hundred thousand, forty-two".