49795178 has 4 divisors (see below), whose sum is σ = 74692770. Its totient is φ = 24897588.

The previous prime is 49795171. The next prime is 49795199. The reversal of 49795178 is 87159794.

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

It can be written as a sum of positive squares in only one way, i.e., 43256929 + 6538249 = 6577^2 + 2557^2 .

It is not an unprimeable number, because it can be changed into a prime (49795171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12448793 + ... + 12448796.

Almost surely, 2^49795178 is an apocalyptic number.

49795178 is a deficient number, since it is larger than the sum of its proper divisors (24897592).

49795178 is a wasteful number, since it uses less digits than its factorization.

49795178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24897591.

The product of its digits is 635040, while the sum is 50.

The square root of 49795178 is about 7056.5698466039. The cubic root of 49795178 is about 367.8994142626.

The spelling of 49795178 in words is "forty-nine million, seven hundred ninety-five thousand, one hundred seventy-eight".