50949959 has 4 divisors (see below), whose sum is σ = 51191640. Its totient is φ = 50708280.

The previous prime is 50949947. The next prime is 50949971. The reversal of 50949959 is 95994905.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (50949947) and next prime (50949971).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50949959 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 (50949359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120524 + ... + 120945.

It is an arithmetic number, because the mean of its divisors is an integer number (12797910).

Almost surely, 2^50949959 is an apocalyptic number.

50949959 is a deficient number, since it is larger than the sum of its proper divisors (241681).

50949959 is a wasteful number, since it uses less digits than its factorization.

50949959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241680.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 50949959 is about 7137.9239979142. The cubic root of 50949959 is about 370.7216473437.

The spelling of 50949959 in words is "fifty million, nine hundred forty-nine thousand, nine hundred fifty-nine".