50765665 has 16 divisors (see below), whose sum is σ = 63639360. Its totient is φ = 38836800.

The previous prime is 50765657. The next prime is 50765711. The reversal of 50765665 is 56656705.

50765665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50765665 - 2³ = 50765657 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8590 + ... + 13240.

It is an arithmetic number, because the mean of its divisors is an integer number (3977460).

Almost surely, 2^50765665 is an apocalyptic number.

It is an amenable number.

50765665 is a deficient number, since it is larger than the sum of its proper divisors (12873695).

50765665 is a wasteful number, since it uses less digits than its factorization.

50765665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 50765665 is about 7125.0028070170. The cubic root of 50765665 is about 370.2741211865.

Subtracting from 50765665 its sum of digits (40), we obtain a square (50765625 = 7125²).

The spelling of 50765665 in words is "fifty million, seven hundred sixty-five thousand, six hundred sixty-five".