51766330 has 128 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 14826240.

The previous prime is 51766327. The next prime is 51766339. The reversal of 51766330 is 3366715.

51766330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51766292 and 51766301.

It is not an unprimeable number, because it can be changed into a prime (51766339) 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 63 ways as a sum of consecutive naturals, for example, 655231 + ... + 655309.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^51766330 is an apocalyptic number.

51766330 is an abundant number, since it is smaller than the sum of its proper divisors (74308550).

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

51766330 is a wasteful number, since it uses less digits than its factorization.

51766330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 51766330 is about 7194.8822089038. The cubic root of 51766330 is about 372.6911890329.

The spelling of 51766330 in words is "fifty-one million, seven hundred sixty-six thousand, three hundred thirty".