50161605 has 16 divisors (see below), whose sum is σ = 86432640. Its totient is φ = 24694848.

The previous prime is 50161589. The next prime is 50161613. The reversal of 50161605 is 50616105.

It is not a de Polignac number, because 50161605 - 2⁴ = 50161589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128425 + ... + 128814.

It is an arithmetic number, because the mean of its divisors is an integer number (5402040).

Almost surely, 2^50161605 is an apocalyptic number.

It is an amenable number.

50161605 is a deficient number, since it is larger than the sum of its proper divisors (36271035).

50161605 is a wasteful number, since it uses less digits than its factorization.

50161605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257260.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50161605 is about 7082.4857924319. The cubic root of 50161605 is about 368.7996282913.

The spelling of 50161605 in words is "fifty million, one hundred sixty-one thousand, six hundred five".