51065770 has 16 divisors (see below), whose sum is σ = 105049728. Its totient is φ = 17508240.

The previous prime is 51065767. The next prime is 51065779. The reversal of 51065770 is 7756015.

51065770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51065779) 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, 364686 + ... + 364825.

It is an arithmetic number, because the mean of its divisors is an integer number (6565608).

Almost surely, 2^51065770 is an apocalyptic number.

51065770 is an abundant number, since it is smaller than the sum of its proper divisors (53983958).

51065770 is a wasteful number, since it uses less digits than its factorization.

51065770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729525.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 51065770 is about 7146.0317659523. The cubic root of 51065770 is about 371.0023224524.

The spelling of 51065770 in words is "fifty-one million, sixty-five thousand, seven hundred seventy".