49806549 has 48 divisors (see below), whose sum is σ = 84584640. Its totient is φ = 28788480.

The previous prime is 49806529. The next prime is 49806587. The reversal of 49806549 is 94560894.

It is a happy number.

It is not a de Polignac number, because 49806549 - 2¹¹ = 49804501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49806509) 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 in 47 ways as a sum of consecutive naturals, for example, 101194 + ... + 101684.

It is an arithmetic number, because the mean of its divisors is an integer number (1762180).

Almost surely, 2^49806549 is an apocalyptic number.

It is an amenable number.

49806549 is a deficient number, since it is larger than the sum of its proper divisors (34778091).

49806549 is a wasteful number, since it uses less digits than its factorization.

49806549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 49806549 is about 7057.3755036841. The cubic root of 49806549 is about 367.9274160760.

The spelling of 49806549 in words is "forty-nine million, eight hundred six thousand, five hundred forty-nine".