49986017 has 4 divisors (see below), whose sum is σ = 52616880. Its totient is φ = 47355156.

The previous prime is 49985993. The next prime is 49986019. The reversal of 49986017 is 71068994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49986017 - 2¹⁰ = 49984993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49986019) 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, 1315403 + ... + 1315440.

It is an arithmetic number, because the mean of its divisors is an integer number (13154220).

Almost surely, 2^49986017 is an apocalyptic number.

It is an amenable number.

49986017 is a deficient number, since it is larger than the sum of its proper divisors (2630863).

49986017 is a wasteful number, since it uses less digits than its factorization.

49986017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630862.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 49986017 is about 7070.0789953154. The cubic root of 49986017 is about 368.3688041205.

The spelling of 49986017 in words is "forty-nine million, nine hundred eighty-six thousand, seventeen".