49766389 has 2 divisors, whose sum is σ = 49766390. Its totient is φ = 49766388.

The previous prime is 49766383. The next prime is 49766413. The reversal of 49766389 is 98366794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 1575025 = 6942^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 49766389 - 2⁷ = 49766261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49766383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24883194 + 24883195.

It is an arithmetic number, because the mean of its divisors is an integer number (24883195).

Almost surely, 2^49766389 is an apocalyptic number.

It is an amenable number.

49766389 is a deficient number, since it is larger than the sum of its proper divisors (1).

49766389 is an equidigital number, since it uses as much as digits as its factorization.

49766389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 49766389 is about 7054.5296795747. The cubic root of 49766389 is about 367.8285004482.

The spelling of 49766389 in words is "forty-nine million, seven hundred sixty-six thousand, three hundred eighty-nine".