49646549 has 2 divisors, whose sum is σ = 49646550. Its totient is φ = 49646548.

The previous prime is 49646507. The next prime is 49646573. The reversal of 49646549 is 94564694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35343025 + 14303524 = 5945^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 49646549 - 2⁸ = 49646293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49648549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24823274 + 24823275.

It is an arithmetic number, because the mean of its divisors is an integer number (24823275).

Almost surely, 2^49646549 is an apocalyptic number.

It is an amenable number.

49646549 is a deficient number, since it is larger than the sum of its proper divisors (1).

49646549 is an equidigital number, since it uses as much as digits as its factorization.

49646549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 49646549 is about 7046.0307265864. The cubic root of 49646549 is about 367.5330132158.

The spelling of 49646549 in words is "forty-nine million, six hundred forty-six thousand, five hundred forty-nine".