50985687 has 8 divisors (see below), whose sum is σ = 70936704. Its totient is φ = 32512568.

The previous prime is 50985679. The next prime is 50985689. The reversal of 50985687 is 78658905.

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

It is a cyclic number.

It is not a de Polignac number, because 50985687 - 2³ = 50985679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50985689) 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, 369393 + ... + 369530.

It is an arithmetic number, because the mean of its divisors is an integer number (8867088).

Almost surely, 2^50985687 is an apocalyptic number.

50985687 is a deficient number, since it is larger than the sum of its proper divisors (19951017).

50985687 is a wasteful number, since it uses less digits than its factorization.

50985687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738949.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 50985687 is about 7140.4262477810. The cubic root of 50985687 is about 370.8082816838.

The spelling of 50985687 in words is "fifty million, nine hundred eighty-five thousand, six hundred eighty-seven".