49787183 has 2 divisors, whose sum is σ = 49787184. Its totient is φ = 49787182.

The previous prime is 49787131. The next prime is 49787191. The reversal of 49787183 is 38178794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49787183 - 2¹² = 49783087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49787383) 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, 24893591 + 24893592.

It is an arithmetic number, because the mean of its divisors is an integer number (24893592).

Almost surely, 2^49787183 is an apocalyptic number.

49787183 is a deficient number, since it is larger than the sum of its proper divisors (1).

49787183 is an equidigital number, since it uses as much as digits as its factorization.

49787183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 49787183 is about 7056.0033304981. The cubic root of 49787183 is about 367.8797235123.

Subtracting from 49787183 its sum of digits (47), we obtain a 4-th power (49787136 = 84⁴).

The spelling of 49787183 in words is "forty-nine million, seven hundred eighty-seven thousand, one hundred eighty-three".