50949865 has 8 divisors (see below), whose sum is σ = 61914240. Its totient is φ = 40243632.

The previous prime is 50949817. The next prime is 50949881. The reversal of 50949865 is 56894905.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50949865 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64099 + ... + 64888.

It is an arithmetic number, because the mean of its divisors is an integer number (7739280).

Almost surely, 2^50949865 is an apocalyptic number.

It is an amenable number.

50949865 is a deficient number, since it is larger than the sum of its proper divisors (10964375).

50949865 is a wasteful number, since it uses less digits than its factorization.

50949865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129071.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 50949865 is about 7137.9174133636. The cubic root of 50949865 is about 370.7214193562.

The spelling of 50949865 in words is "fifty million, nine hundred forty-nine thousand, eight hundred sixty-five".