49655789 has 2 divisors, whose sum is σ = 49655790. Its totient is φ = 49655788.

The previous prime is 49655783. The next prime is 49655807. The reversal of 49655789 is 98755694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 2280100 = 6883^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 49655789 - 2⁴ = 49655773 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49655789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49655783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24827894 + 24827895.

It is an arithmetic number, because the mean of its divisors is an integer number (24827895).

Almost surely, 2^49655789 is an apocalyptic number.

It is an amenable number.

49655789 is a deficient number, since it is larger than the sum of its proper divisors (1).

49655789 is an equidigital number, since it uses as much as digits as its factorization.

49655789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 53.

The square root of 49655789 is about 7046.6863843937. The cubic root of 49655789 is about 367.5558130173. Note that the first 3 decimals are identical.

The spelling of 49655789 in words is "forty-nine million, six hundred fifty-five thousand, seven hundred eighty-nine".