50016639 has 8 divisors (see below), whose sum is σ = 67684480. Its totient is φ = 32846616.

The previous prime is 50016599. The next prime is 50016641. The reversal of 50016639 is 93661005.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50016639 - 2⁷ = 50016511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50016649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124219 + ... + 124620.

It is an arithmetic number, because the mean of its divisors is an integer number (8460560).

Almost surely, 2^50016639 is an apocalyptic number.

50016639 is a deficient number, since it is larger than the sum of its proper divisors (17667841).

50016639 is a wasteful number, since it uses less digits than its factorization.

50016639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248909.

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

The square root of 50016639 is about 7072.2442689715. The cubic root of 50016639 is about 368.4440110652. Note that the first 3 decimals are identical.

The spelling of 50016639 in words is "fifty million, sixteen thousand, six hundred thirty-nine".