50078905 has 16 divisors (see below), whose sum is σ = 62285760. Its totient is φ = 38628928.

The previous prime is 50078893. The next prime is 50078921. The reversal of 50078905 is 50987005.

It is a cyclic number.

It is not a de Polignac number, because 50078905 - 2⁹ = 50078393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14034 + ... + 17236.

It is an arithmetic number, because the mean of its divisors is an integer number (3892860).

Almost surely, 2^50078905 is an apocalyptic number.

It is an amenable number.

50078905 is a deficient number, since it is larger than the sum of its proper divisors (12206855).

50078905 is a wasteful number, since it uses less digits than its factorization.

50078905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 50078905 is about 7076.6450384345. The cubic root of 50078905 is about 368.5968403490.

The spelling of 50078905 in words is "fifty million, seventy-eight thousand, nine hundred five".