49976189 has 2 divisors, whose sum is σ = 49976190. Its totient is φ = 49976188.

The previous prime is 49976183. The next prime is 49976197. The reversal of 49976189 is 98167994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 4305625 = 6758^2 + 2075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49976189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49976189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49976183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24988094 + 24988095.

It is an arithmetic number, because the mean of its divisors is an integer number (24988095).

Almost surely, 2^49976189 is an apocalyptic number.

It is an amenable number.

49976189 is a deficient number, since it is larger than the sum of its proper divisors (1).

49976189 is an equidigital number, since it uses as much as digits as its factorization.

49976189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 53.

The square root of 49976189 is about 7069.3839194091. The cubic root of 49976189 is about 368.3446602624.

The spelling of 49976189 in words is "forty-nine million, nine hundred seventy-six thousand, one hundred eighty-nine".