49768171 has 4 divisors (see below), whose sum is σ = 50066352. Its totient is φ = 49469992.

The previous prime is 49768153. The next prime is 49768181. The reversal of 49768171 is 17186794.

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

It is a cyclic number.

It is not a de Polignac number, because 49768171 - 2⁵ = 49768139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49768111) 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, 148840 + ... + 149173.

It is an arithmetic number, because the mean of its divisors is an integer number (12516588).

Almost surely, 2^49768171 is an apocalyptic number.

49768171 is a deficient number, since it is larger than the sum of its proper divisors (298181).

49768171 is a wasteful number, since it uses less digits than its factorization.

49768171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298180.

The product of its digits is 84672, while the sum is 43.

The square root of 49768171 is about 7054.6559802729. The cubic root of 49768171 is about 367.8328907109.

The spelling of 49768171 in words is "forty-nine million, seven hundred sixty-eight thousand, one hundred seventy-one".