50919665 has 16 divisors (see below), whose sum is σ = 62694912. Its totient is φ = 39688704.

The previous prime is 50919647. The next prime is 50919691. The reversal of 50919665 is 56691905.

50919665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50919665 - 2²² = 46725361 is a prime.

It is a Duffinian number.

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, 31712 + ... + 33278.

It is an arithmetic number, because the mean of its divisors is an integer number (3918432).

Almost surely, 2^50919665 is an apocalyptic number.

It is an amenable number.

50919665 is a deficient number, since it is larger than the sum of its proper divisors (11775247).

50919665 is a wasteful number, since it uses less digits than its factorization.

50919665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 50919665 is about 7135.8016368170. The cubic root of 50919665 is about 370.6481577970.

The spelling of 50919665 in words is "fifty million, nine hundred nineteen thousand, six hundred sixty-five".