49650649 has 2 divisors, whose sum is σ = 49650650. Its totient is φ = 49650648.

The previous prime is 49650637. The next prime is 49650673. The reversal of 49650649 is 94605694.

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., 42994249 + 6656400 = 6557^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 49650649 - 2⁷ = 49650521 is a prime.

It is a super-2 number, since 2×49650649² = 4930373892242402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49650619) 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, 24825324 + 24825325.

It is an arithmetic number, because the mean of its divisors is an integer number (24825325).

Almost surely, 2^49650649 is an apocalyptic number.

It is an amenable number.

49650649 is a deficient number, since it is larger than the sum of its proper divisors (1).

49650649 is an equidigital number, since it uses as much as digits as its factorization.

49650649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 49650649 is about 7046.3216645282. The cubic root of 49650649 is about 367.5431303599.

The spelling of 49650649 in words is "forty-nine million, six hundred fifty thousand, six hundred forty-nine".