50039661 has 16 divisors (see below), whose sum is σ = 76811904. Its totient is φ = 28383744.

The previous prime is 50039617. The next prime is 50039663. The reversal of 50039661 is 16693005.

It is a happy number.

It is not a de Polignac number, because 50039661 - 2⁹ = 50039149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50039663) by changing a digit.

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, 5820 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (4800744).

Almost surely, 2^50039661 is an apocalyptic number.

It is an amenable number.

50039661 is a deficient number, since it is larger than the sum of its proper divisors (26772243).

50039661 is a wasteful number, since it uses less digits than its factorization.

50039661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 50039661 is about 7073.8717121531. The cubic root of 50039661 is about 368.5005323688.

The spelling of 50039661 in words is "fifty million, thirty-nine thousand, six hundred sixty-one".